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Nut-Lock.

Description: Patent for improvements in nut-locks by using a locking attachment; “the attachment comprises, essentially, a shouldered pin adapted to underlie the lower surface of the nut, adjacent one of the corners thereof, and project into suitably-formed receiving-apertures in the surface of the member to be clamped or in a washer designed to be employed between said member and the nut.” (Lines 15-22) Illustration is included.
Date: July 8, 1902
Creator: Popplewell, Felix King
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rake.

Description: Patent for "a rake in which the rake fingers are capable of being lifted from contact with the ground and moveable independently rearwardly extending fingers, which are positioned between the rake fingers for the purpose of cleaning the rake" (lines 10-15).
Date: June 10, 1919
Creator: Phillips, William C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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