3 Matching Results

Search Results

Results: 1 - 3

Windmill Pipe Attachment

Description: Patent for a windmill pipe attachment that is meant to close the vent opening of a windmill and drain from an opening of the user's choosing.
Date: December 30, 1919
Creator: Boerner, Fredrick W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Windmill Attachment.

Description: Patent for an attachment for hand or windmill pumps in order to reduce stress of upward and load moving strokes, including instructions and illustrations.
Date: December 23, 1919
Creator: Bertrand, Rabb A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen