3 Matching Results

Search Results

Results: 1 - 3

Vacuum-Distributer for Internal-Combustion Engines.

Description: Patent for "improvements in Vacuum-Distributers for Internal-Combustion Engines". More precisely "an improvement in 'vacuum-energized make-and-break spark-plug". This particular vacuum-distributer would aid in lubricating the working parts and a "breather" function would let outside air pass through, preventing the "ingress of dirt and impurities to the vacuum-distributer".
Date: March 18, 1919
Creator: Irwin, Samuel D.
Partner: UNT Libraries Government Documents Department

Insecticide-Dispensing Receptacle.

Description: Patent for an improved insecticide dispensing receptacle, made cheaply enough it can be disposed of after use.
Date: March 1, 1921
Creator: Irwin, Herbert G.
Partner: UNT Libraries Government Documents Department

Battery-Mud-Extracting Device.

Description: Patent for improvement of Battery-Mud-Extracting Devices where the mud may be removed without disassembling the battery or displacing of the electrode plates.
Date: March 11, 1919
Creator: Irwin, Samuel D.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen