UNT Libraries Government Documents Department - 4 Matching Results

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Carton.

Patent for a carton used to carry bottles or other fragile containers in a manner that prevents spillage, breakage, or other type of damage to befall the bottles and their contents, includes illustrations.

Date: September 2, 1919

Creator: Elder, Joseph H.

Tombstone-Mold

Patent for a "new and useful Tombstone-Mold" (lines 5-6), including instructions and illustrations.

Date: September 2, 1913

Creator: Cameron, Neill C.

Well-Drilling Apparatus.

Patent for an Artesian or oil well drilling apparatus that has a detachable drill-bit in its tubing and has an "improved means whereby an expansion drill bit or blade of any preferred construction can be secured to or detached from the drill tubing without removing the latter from the well" (lines 12-15). The tubing does not accidentally detach, and the tubing can rotate in either direction.

Date: October 2, 1894

Creator: Horton, Stephen A.

Car-Coupling.

Patent for improvements in car-couplings “with means for elevating the coupling-link without the necessity of the brakeman going between the cars, and also to provide means for holding the coupling-pin out of engagement with the link when the cars are uncoupled, said pin being automatically released when the cars come together, so that it will fall by gravity and engage with said link.” (Lines 17-25) Illustration is included.

Date: June 2, 1891

Creator: Hamilton, Weston G.