UNT Libraries Government Documents Department - 22 Matching Results

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Closure for Bottles, &c.

Description: Patent for a tamper-proof bottle cap made of flexible metal that expands to seal the bottle and cannot be removed and replaced without signs being evident in the bottle and cap.
Date: April 2, 1907
Creator: Hull, John William
Item Type: Refine your search to only Patent

Cotton Cleaner and Condenser.

Description: Patent for a cotton cleaning and condensing machine for cleaning cotton lint and forming it into bats of standard size. Also equipped with a fire-safety mechanism that immediately turns off the machine.
Date: October 1, 1907
Creator: Reagan, Edgar
Item Type: Refine your search to only Patent

Elastic Bulletin Board

Description: Patent for a general utility bulletin-board. This device applies to various function whereby exists a need for posting bulletins and announcements. The bulletin board is made of elastic material to increase efficiency and serviceability. Illustrations included.
Date: January 15, 1907
Creator: Weeks, Frank W.
Item Type: Refine your search to only Patent

Lock

Description: Patent for a lock. This invention is a design of door lock that uses a key and combination. Illustration included.
Date: February 12, 1907
Creator: Katzenberger, Oscar
Item Type: Refine your search to only Patent

Refrigerating Apparatus

Description: Patent for a refrigerating apparatus. This invention is a coil composed of two pipes of different diameters placed inside of each other acting as a condensing agent. Illustration included.
Date: February 12, 1907
Creator: Holdgreen, Julius H.
Item Type: Refine your search to only Patent

Trap

Description: Patent for a trap for rodents. The invention consists of multiple doors for actuation by the weight of the rodent. Illustration included.
Date: April 16, 1907
Creator: Yturri, Henry
Item Type: Refine your search to only Patent

Vehicle-Wheel.

Description: Patent for a vehicle wheel with no extra small parts, a tightener that tightens the whole wheel and is easily reached, and constructed in such a manner that it may be easily taken apart and put back together for repair purposes.
Date: March 26, 1907
Creator: Hadley, William Swain
Item Type: Refine your search to only Patent
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