Aerial Vehicle (open access)

Aerial Vehicle

Patent for an aerial vehicle. Illustrations included.
Date: January 2, 1912
Creator: Rex, Cleveland A.
System: The Portal to Texas History
Clevis. (open access)

Clevis.

Patent for a simple, inexpensive, and improved clevis that can be easily manufactured and employed to a draft-beam. It can be used without a lapring in order to connect to a singletree. The singletree can have its "staple or eye...disposed in a plane with the said singletree" (lines 16-17).
Date: January 30, 1894
Creator: Word, Aaron Matthias
System: The Portal to Texas History
Internal-Combustion Engine. (open access)

Internal-Combustion Engine.

Patent for a two-cycle, reciprocating piston internal combustion engine that preheats incoming fuel and is designed to run smoothly and reduce vibration, including illustrations.
Date: January 12, 1915
Creator: Bukoviny, Frank W.
System: The Portal to Texas History
Sheet-Piling. (open access)

Sheet-Piling.

Patent for sheet piling, which has closely fitting joints to make it watertight and can be varied in width.
Date: January 7, 1908
Creator: Pyle, Jesse Theodor
System: The Portal to Texas History
Door-Hanger (open access)

Door-Hanger

Patent for a door hanger for sliding doors to prevent them from swinging outward.
Date: January 28, 1913
Creator: Matheson, John William
System: The Portal to Texas History
Egg Beater (open access)

Egg Beater

Patent for an egg beater. Illustration included.
Date: January 11, 1910
Creator: Nichols, Charles A.
System: The Portal to Texas History