Robert L. Crowell

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Boone, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Collapsible portable platform
- Patent number 7,552,966
- Issue date Jun 30, 2009
- Robert L. Crowell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Collapsible portable platform
- Patent number 7,370,908
- Issue date May 13, 2008
- Robert L. Crowell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Wing structure with self-induced camber
- Patent number 4,742,977
- Issue date May 10, 1988
- Robert L. Crowell
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Sailing wing
- Patent number 4,682,557
- Issue date Jul 28, 1987
- Thomas A. Magruder
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Collapsible portable platform
- Publication number 20080111401
- Publication date May 15, 2008
- Robert L. Crowell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Collapsible portable platform
- Publication number 20070013211
- Publication date Jan 18, 2007
- Robert L. Crowell
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...