UNT Libraries Government Documents Department - 13 Matching Results

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Baling-Press.

Description: Patent for "baling-presses of that class wherein motion is communicated to the plunger from a sweep operated by horse or similar power, and the object in view is to improve the construction of the baling-chamber and attachments, and, furthermore, to provide a simple and efficient construction of plunger-operating mechanism" (lines 8-15)
Date: January 5, 1897
Creator: Pearce, William J.
Item Type: Refine your search to only Patent

Drill Bit

Description: Patent for drill bit, adapted for use in boring (or drilling) of oil wells with bit shank and enlarged head of angularly mounted rotary cutters (for outward cutting of well walls).
Date: January 3, 1922
Creator: Thomas, Martin E.
Item Type: Refine your search to only Patent

Folding Wagon-Box Step

Description: Patent for a new and useful folding wagon-box steps. This design is to "provide a novel, simple, and safe device of the character indicated which is adapted for compact and convenient folding into a close package when not in use" (line 11-14).
Date: January 25, 1898
Creator: Brown, Marvel C.
Item Type: Refine your search to only Patent

Improvement in Apparatus for Preserving Meat, &c.

Description: Patent for "an improved apparatus for use in fumigating substances used as food; and also for impregnating water with sulphurous-acid gas, for the purpose of preserving such substances by the antiseptic quality of sulphur" (lines 9-14). Includes instructions and illustrations.
Date: January 15, 1878
Creator: Ames, Theodore George
Item Type: Refine your search to only Patent

Square.

Description: Patent for a a carpenters square, which has tables printed on it for calculating the length and angle that rafter boards should be cut to.
Date: January 17, 1911
Creator: McCormick, Terrill William
Item Type: Refine your search to only Patent

Trap.

Description: Patent for a star shaped fish or animal trap, which has spring triggered entry points that allow animals in but not out.
Date: January 19, 1909
Creator: Hendrix, Julius M.
Item Type: Refine your search to only Patent
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