Resource Type
States
Counties
Decade
Month
Day
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Piston-Ring.
Patent for metallic piston rings to allow for expansion and contraction without leakage.
Date:
June 15, 1920
Creator:
Jordan, Robert M.
System:
The Portal to Texas History
Door Hanger.
Patent for a car door hanger that will take the weight of the door off the supporting rollers and the track and apply a braking action to the track that will prevent the door from unnecessarily shifting. Includes instructions and illustrations.
Date:
September 15, 1914
Creator:
Kinard, Chester E.
System:
The Portal to Texas History
Cotton Stalk Puller
Patent for a cotton stalk puller. It is designed "to operate upon the stalks, a pulling-cylinder agaisnt which the stalks are forced by the action of the reel and which operate in conjunction with the latter to pull or lift stalks from the ground" (lines 19-23). Illustrations included.
Date:
September 15, 1903
Creator:
Hardin, George W.
System:
The Portal to Texas History
Cotton Stalk Puller and Cutter.
Patent for a cotton stalk puller and cutter machine, including instructions and illustrations.
Date:
September 15, 1914
Creator:
Hubert, John E. & Hubert, Henry J.
System:
The Portal to Texas History