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Grease-Trap.

Description: Patent for a grease trap "in which the grease is designed to be removed from the trap automatically and the object of my invention is to cause the water passing through the trap to carry the grease out with it" (lines 8-12).
Date: March 19, 1895
Creator: Henderson, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Automatic Vending and Money-Changing Machine.

Description: Patent for an improved combined automatic vending and money changing machine. It has "a locking mechanism constructed to lock said article and change-delivery mechanisms when a coin inserted by a purchaser is of less value than the article desired by him, and [a] mechanism for unlocking both of said delivery mechanisms while the purchaser's said coin remains in the machine and adjusting bot of said delivery-mechanisms to thereafter deliver an article corresponding to the value of said coin" (li… more
Date: June 18, 1895
Creator: Sturgis, Herbert Marshall
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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