UNT Libraries Government Documents Department - 7 Matching Results

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Well-Drilling Machinery

Patent for a machine used to drill water, oil, and gas wells. Illustrations included.

Date: July 7, 1908

Creator: Decker, Harry R.

Item Type: Patent

Steam Generating System

Patent for steam generating system. Illustration included.

Date: July 21, 1908

Creator: Bebber, August W.

Item Type: Patent

Patent for a rail-car journal box with "an anti-friction side and end bearing for axle, having means for supplying a lubricant thereto in any desired quantity the rings serving to constantly distribute said lubricant around the roller bearings" (lines 73-78).

Date: July 14, 1908

Creator: Washington, George M.

Item Type: Patent

Trick Amusement Device

Patent for a puzzle toy consisting of a lid and blower. Illustrations included.

Date: July 7, 1908

Creator: Judson, Fred I.

Item Type: Patent

Greasing Device

Patent for a greasing device. Illustration included.

Date: July 14, 1908

Creator: Overall, Ida L. & Bock, T. J.

Item Type: Patent

Switch-Operating Mechanism

Patent for a railroad switch operating mechanism that is operated from the train which can can close a switch accidentally left open.

Date: July 7, 1908

Creator: Hyman, Henry F. & Hay, G. H.

Item Type: Patent

Skate

Patent for a skate which has a special foot-plate that detaches. The invention is intended to be simple and inexpensive while still effective and long-lasting.

Date: July 10, 1908

Creator: Spacie, Thomas

Item Type: Patent

UNT Libraries Government Documents Department - 7 Matching Results

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Well-Drilling Machinery

Steam Generating System

Journal-Box

Trick Amusement Device

Greasing Device

Switch-Operating Mechanism

Skate