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6 Matching Results
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Coin Operated Vending Machine
Patent for a coin operated vending machine that is meant to be inexpensive and adapted to protect the items being vended, and to allow adjustment for coins of different denominations.
Date:
September 2, 1902
Creator:
Fender, John Brown
System:
The Portal to Texas History
Process for Synthesizing Oil and Surfactant-free Hyaluronic Acid Nanoparticles and Microparticles
Patent relating to a process for synthesizing oil and surfactant-free hyaluronic acid nanoparticles and microparticles.
Date:
November 3, 2004
Creator:
Hu, Zhibing; Xia, Xiaohu & Tang, Liping
System:
The UNT Digital Library
Land-Breaking Plow
Patent for a plow that also includes rotary drums. The rotary drums carried "sub-soiling and breaking plows; and the object is to provide plows which can be used to break the land to any desirable depth in any kind of soil without turning over the soil."
Date:
October 13, 1914
Creator:
Reed, Arthur
System:
The Portal to Texas History
Sash-Fastener.
Patent for improvement in sash-fasteners by using a ratchet-lock combined with a ratchet-bar. It “can be readily adapted to any ordinary sash and window-frame and it will securely support the sash at any desired elevation and prevent either the upward or downward movement until the lock is released.” (Lines 10-14) Illustration is included.
Date:
October 13, 1891
Creator:
James, Will S.
System:
The Portal to Texas History
Rocking Chair.
Patent for a new and improved rocking chair. This design "relates to an improvement in rocking chairs; and it consists in a detachable rocker and a clamp for securing the rocker to the legs of an ordinary chair for the purpose of converting the latter into a rocking chair" (lines 9-13).
Date:
October 13, 1885
Creator:
Brown, Frederick H.
System:
The Portal to Texas History
Car-Coupling.
Patent for improvements in car-couplings in which it can be adapted “to the draw-heads of car-couplings that is already in used and that there need not be two similar couplings of this character in order to permit the device to operate successfully.” (Lines 74-78) Illustration is included.
Date:
October 13, 1891
Creator:
Yates, Junius E. M.
System:
The Portal to Texas History