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Wrench.

Description: Patent for a new sliding jaw type wrench which enables objects to be clamped in the jaws of the wrench securely while leverage is used to rotate the head of a nut.
Date: July 29, 1913
Creator: McGill, Wisdom
Item Type: Refine your search to only Patent

Seed-Planter

Description: Patent for improvements to seed planters including "having a revolving seed distributing drum provided with radial slots in which radially moving plungers are arranged, and so operated that at predetermined points seeds are received in the pockets and subsequently ejected therefrom" (lines 12-17) including instructions and illustrations.
Date: July 29, 1913
Creator: Gibson, Rupert R.
Item Type: Refine your search to only Patent
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