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Cotton-Press
Patent for improvements in the construction of steam cotton presses using a change in the frame and use of hydraulic-pressure pumps to operate the press. The pumps are driven by steam
Date:
October 15, 1889
Creator:
Turnpaugh, James William
System:
The Portal to Texas History
Telephone-Call Recorder
Patent for a telephone call recorder that allows the number of who is calling to be recorded when the phone is not answered and tell a person already on the phone who is trying to call them.
Date:
October 15, 1912
Creator:
Warwick, Harold L.
System:
The Portal to Texas History
Telephonometer
Patent for measuring and recording the length of time when a telephone has been in use. It is simple and inexpensive.
Date:
October 15, 1918
Creator:
Gray, Frank
System:
The Portal to Texas History
Door Check
Patent for a door-check, which will hold the door in any position it is placed.
Date:
October 15, 1901
Creator:
Neher, John F. & Neher, Noah N.
System:
The Portal to Texas History