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8 Matching Results
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Coupling-Pin.
Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.
Date:
July 23, 1907
Creator:
Yeiser, John Clarke
System:
The Portal to Texas History
Apparatus for Treating Timber.
Patent for an invention to aid in the treatment of treating timber. The invention is said to "provide a simple, inexpensive, durable, and efficient apparatus by means of which railroad cross-ties, fence-posts, and the like may be expeditiously and economically treated by immersion in a bath of some preserving liquid" (lines 16-22) including illustrations.
Date:
July 11, 1905
Creator:
Gerhard, Philip H.
System:
The Portal to Texas History
Apparatus for Testing Errors of Refraction
Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.
Date:
July 2, 1907
Creator:
Bahn, Gustavus Adolphus
System:
The Portal to Texas History
Bale-Tie
Patent for a bale-tie fastener including illustrations.
Date:
July 31, 1900
Creator:
Cypher, David A. & Dayton, William L.
System:
The Portal to Texas History
Ledger.
Patent for improvements in ledgers by giving each column in a ledger sheet a “label” such as customer’s name, daily entry, daily balance, monthly balance and etc… to record daily and monthly transactions of an individual customer's account. Illustration is included.
Date:
July 8, 1902
Creator:
Winn, Joseph B.
System:
The Portal to Texas History
Cotton-Handling Apparatus.
Patent for a cotton handling apparatus, which automatically feeds the cotton into the gin and stops if there is an overflow.
Date:
July 7, 1908
Creator:
Sullivan, Arthur A.
System:
The Portal to Texas History
Note Register
Patent for a note register. Illustrations included.
Date:
July 26, 1904
Creator:
Winn, Joseph B.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a combined cotton-chopper and cultivator.
Date:
July 29, 1902
Creator:
Forister, John H. & McAda, James N.
System:
The Portal to Texas History