David William Stauffer

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Mass transit rush hour traffic bottleneck uncorker water slide
- Patent number 10,316,536
- Issue date Jun 11, 2019
- David William Stauffer
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
MASS TRANSIT RUSH HOUR TRAFFIC BOTTLENECK UNCORKER WATER SLIDE
- Publication number 20160340923
- Publication date Nov 24, 2016
- David William Stauffer
- E04 - BUILDING
Information Patent Application
River bottom siphon for hydro-electric generation and irrigation
- Publication number 20140193201
- Publication date Jul 10, 2014
- David William Stauffer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING