Texas Patents - 3 Matching Results

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Pneumatic Conveyer.

Description: Patent for pneumatic conveyer using cars, cylindrically-shaped runners, tracks, and lubrication device, including illustrations.
Date: January 3, 1893
Creator: Vernon, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stamp Canceler and Register.

Description: Patent for a new and improved stamp canceller. This design "consists in the combination, with an ordinary hand canceling device, of an indicator" (lines 22-24). This design utilizes a lever, and "[b]y properly adjusting [it], the device will indicate the cancellation of one-cent or three-cent stamps, and it is obvious that by making similar and proper provision for the adjustment of the throw of [the lever] the cancellation of stamps of any denomination may be indicated" (lines 83-89).
Date: May 3, 1881
Creator: Lupton, Lewis R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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