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Improvement in Hat-Ventilators.

Description: Patent for improvement in mode of ventilating hats, bonnets, and or caps by “providing the inside of the head-coverings, at the point of contact with the head, with a liuing or an elastic spiral formed into a cushion, through which the air can freely circulate around the whole head.” (Lines 28-32) Illustration is included.
Date: March 30, 1869
Creator: Stremme, Conrad C.
Item Type: Refine your search to only Patent

Improvement in Gang-Plows.

Description: Patent for "a gang-plow, which is so arranged that the beams can be adjusted sideways and up and down at will, and can be permanently secured in any desired position in either movement." (Lines 17-20) Includes instructions and illustrations.
Date: November 30, 1869
Creator: Hall, Thomas J.
Item Type: Refine your search to only Patent

Improvement in Insect-Destroying Attachments for Cultivators.

Description: Patent for "a fan or blower conjoined with a box containing any of the various powdered poisons used for destroying vermin which infest growing plants, as cotton, potatoes, &c., operated by a pulley and band, running from the axle of the blower to a wheel on the supporting-axle of the cultivator, seeder, or other machine to which the apparatus may be attached." (Lines 19-27) Includes instructions and illustrations.
Date: December 30, 1873
Creator: Hurd, Charles T.
Item Type: Refine your search to only Patent

Improvement in Air-Cooling Apparatus.

Description: Patent for "the construction and arrangement of a refrigerator for the purpose of cooling and maintaining a low and dry temperature, for preserving fresh meats and vegetables, and for cooling rooms for any purpose." (Lines 10-15) Includes instructions and illustrations.
Date: March 30, 1875
Creator: Hyatt, Frank A.
Item Type: Refine your search to only Patent

Improvement in Bale-Ties.

Description: Patent for improvement in bale-ties. "This invention relates to that class of ties or hoops for cotton-bales, in which the band of hoop iron is provided with rigid hooks, studs, or buttons, and matching perforations as means for adjustably uniting the ends."
Date: November 30, 1875
Creator: Powell, Amos N.
Item Type: Refine your search to only Patent

Improvement in Cotton-Presses.

Description: Patent for improvement in cotton-presses, which increases convenience by using detachable parts to facilitate insertion of material and a windlass with a system of cords and levers to increase compression of cotton.
Date: November 30, 1875
Creator: Wallace, Wesley W.
Item Type: Refine your search to only Patent

Improvement in Spectacle-Frames.

Description: Patent for "spectacle-frames in which the bows are turned into a coil near the points where they are connected to the lens-hoops for the purpose of forming spring-joints, instead of the ordinary pivot-joints." (Lines 6-10) Includes instructions and illustrations.
Date: November 30, 1875
Creator: Stewart, John W.
Item Type: Refine your search to only Patent

Improvement in Double-Bitted Drills.

Description: Patent for "an easy mode of straightening wells while drilling them through rock or earth, and also for enlarging the same into a cistern when it is desired to keep on hand a large supply of water." (Lines 8-13) Includes instructions and illustrations.
Date: May 30, 1876
Creator: Yarbrough, William H.
Item Type: Refine your search to only Patent

Improvement in Bale-Ties.

Description: Patent for "an improved fastening or tie for cotton-bales, &c.; and it consists of two angular plates, secured at the rear part to one end of the band generally used in baling cotton, &c., and the front part thereof being provided with V-shaped jaws, which engage with angular slots in the opposite end of the band." (Lines 12-19) Includes instructions and illustrations.
Date: January 30, 1877
Creator: Hanson, Asbury J.
Item Type: Refine your search to only Patent

Earth-Augers.

Description: Patent for a new and improved earth auger. This design calls for "a hinged door having its edge folded or bent to form an air-tube . . . [and] a pair of hemi-cylindrical doors having on one or both an air duct or ducts," as well as interchangeable bits with a shouldered and threaded shank and a nut combined and arranged in a novel way (paras. 12-15).
Date: October 30, 1877
Creator: Fields, Daniel G.
Item Type: Refine your search to only Patent
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