101 Matching Results

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Automatic Fan.

Description: Patent for a new and improved automatic fan. This design consists in "[t]he combination, with the attaching-plate, the depending rod, the fixed plate on the lower end thereof, the socket arms pivotally connected to said plate at their inner ends, and the fans held in the sockets in said arms, of the plate loosely mounted on the rod above [the] plate, having arms, the rods pivotally connecting the outer ends of said arms, the pitman connected to [another] plate, and the operating crank" (lines 6… more
Date: October 9, 1888
Creator: Goodspeed, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Coin-Controlled Vending-Machine.

Description: Patent for a con-controlled vending-machine that sells stamps and similar products including illustrations. The machine "compels a complete cycle of operation for each coin received and cannot be rendered inoperative through the deposit of a plurality of coins in the chute or while the operation of the machine is in progress." (lines 14-17).
Date: October 9, 1917
Creator: Wolford, William O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Protector for Detonator-Caps.

Description: Patent for a detonator cap that acts as a "protecting device...to seal the inner end of the cap into which the adjacent end of the fuse is projected in use." (lines 13-16)
Date: October 9, 1917
Creator: Dillard, George L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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