David S. Smith

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Ann Arbor, MI, US

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Patents Applicationslast 30 patents

Information Patent Application
PROPULSION MECHANISM EMPLOYING CONVERSION OF ROTARY MOTION INTO A U...
- Publication number 20110041630
- Publication date Feb 24, 2011
- David S. Smith
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
PROPULSION DEVICE EMPLOYING CONVERSION OF ROTARY MOTION INTO A UNID...
- Publication number 20080060460
- Publication date Mar 13, 2008
- David S. Smith
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Propulsion device employing conversion of rotary motion into a unid...
- Publication number 20050022620
- Publication date Feb 3, 2005
- David S. Smith
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...