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Lubricating Device.
Patent for a device that lubricates cylinders via the intake manifold that responds to small changes in pressure.
Date:
August 15, 1916
Creator:
McKay, Guy
System:
The Portal to Texas History
Screen
Patent for a screen. This invention is designed to allow for an adjustable screen to over come inequalities and inaccuracies of the window frame. Illustration included.
Date:
March 15, 1904
Creator:
Pinkham, Delmar D.
System:
The Portal to Texas History
Screen
Patent for a screen. This invention comprises a class of window screens with metal frames. Illustration included.
Date:
March 15, 1904
Creator:
Pinkham, Delmar D.
System:
The Portal to Texas History