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Improvement in Chairs.

Description: Patent for improvements in chairs: "the back, seat, foot rest, and head rest are all self adjusting, and operated by the natural movements of the occupant" (lines 11-13).
Date: April 16, 1872
Creator: Haupt, William W.
Item Type: Refine your search to only Patent

Improvements in Pipes and Cigar-Holders.

Description: Patent for new and improvements in Combined Pipes and Cigar-Holders which consists in "forming or constructing the pipe with an intermediate chamber which serves as a receptacle for a sponge or other absorbent porous material." (Lines 15-20) Illustrations are included.
Date: December 5, 1871
Creator: Bond, Virgil A.
Item Type: Refine your search to only Patent

Improvement in Rotary Engines.

Description: Patent for rotary engines "driven by steam or other elastic agent, or which may be used for pumping water" (lines 29-32) to obtain "a more direct application of the force applied to drive the engine" (lines 39-40) including instructions and illustrations.
Date: February 6, 1872
Creator: Richardson, John Dun
Item Type: Refine your search to only Patent

Improvement in Velocipedes

Description: Patent for the improvement of Velocipedes. The improvement consists of a new and novel combination and arrangement of propelling power, due to the weight of the body, which may be aided by the muscular force thereof and guiding apparatus.
Date: February 13, 1872
Creator: Maltby, Henry A.
Item Type: Refine your search to only Patent

Improvement in Road-Scrapers.

Description: Patent for an improvement in road-scrapers which "consists in hanging the scoop to the carriage in such a manner that it may always be made to scrape in horizontal planes whether the carriage run on a level surface or on a hill side; and also in certain devices for holding the scoop suspended above the ground while moving from place to place." (Lines 9-16) Includes instructions and illustrations.
Date: March 26, 1872
Creator: Coy, Elihu E.
Item Type: Refine your search to only Patent

Improvement in Soldering-Irons.

Description: Patent for "an apparatus to be used with the common soldering-iron, whereby the same can be heated and kept heated continually while the iron is used." (Lines 6-9) Includes instructions and illustrations.
Date: December 19, 1871
Creator: Williams, Joseph
Item Type: Refine your search to only Patent

Improvement in Saw-Set.

Description: Patent for an invention "which can be used for setting the teeth of all kinds of saws by hand, and without requiring and intricate machinery" (lines 15-18). The patent includes instructions and an illustration.
Date: February 15, 1870
Creator: Harris, H. A.
Item Type: Refine your search to only Patent
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