Automatic Air Device for Gas Engines. (open access)

Automatic Air Device for Gas Engines.

Patent for a removable automatic air device for delivering air to gas engines in proportion to the speed of the engine.
Date: April 3, 1917
Creator: Rivers, Charles A.
System: The Portal to Texas History
Envelop. (open access)

Envelop.

Patent for "simple envelop which can be cheaply manufactured and which cannot be fraudulently tampered with or opened for the purpose of removing its contents without mutilating or injuring the envelop to an extent which would be noticable" (lines 9-14), including illustrations.
Date: April 3, 1917
Creator: Moore, Essie H.
System: The Portal to Texas History
Grading Apparatus. (open access)

Grading Apparatus.

Patent for improvements in grading apparatus to make it "comparatively simple and inexpensive in construction" (line 10) and readily adjustable.
Date: April 3, 1917
Creator: Anderson, Lycurgus
System: The Portal to Texas History
Jogger Attachment for Platen Printing-Press (open access)

Jogger Attachment for Platen Printing-Press

Patent for an automatic jogging attachment for platen presses. The attachments are unique because they can be placed on the press without alterations, they allow for the stacking of sheets in a uniform manner while also being more durable and efficient.
Date: April 3, 1917
Creator: Howard, Lewis F.
System: The Portal to Texas History
Patent for Farming Implement (open access)

Patent for Farming Implement

Patent for Farming Implement
Date: April 3, 1917
Creator: Miller, Marion R.
System: The Portal to Texas History
Self Locking Mechanism for Steering Wheel Shafts of Automobiles. (open access)

Self Locking Mechanism for Steering Wheel Shafts of Automobiles.

Patent for new and useful improvements to the shaft of steering wheels making them safer and easier to handle.
Date: April 3, 1917
Creator: Cowart, Stephen A.
System: The Portal to Texas History