David S. DeWinter

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Luther, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Shovel with multiple blade faces
- Patent number 8,100,447
- Issue date Jan 24, 2012
- David S. DeWinter
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Structure with extendable leaves
- Patent number 6,959,454
- Issue date Nov 1, 2005
- David S. DeWinter
- A42 - HEADWEAR
Information Patent Grant
Rake with extendable material-moving implement
- Patent number 6,722,115
- Issue date Apr 20, 2004
- David S. DeWinter
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
SHOVEL WITH MULTIPLE BLADE FACES
- Publication number 20080185856
- Publication date Aug 7, 2008
- David S. DeWinter
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Snow shovel with convex edge
- Publication number 20070145756
- Publication date Jun 28, 2007
- David S. DeWinter
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Rake with variable-length tines
- Publication number 20060144032
- Publication date Jul 6, 2006
- David S. DeWinter
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Structure with extendable leaves
- Publication number 20040158912
- Publication date Aug 19, 2004
- David S. DeWinter
- A42 - HEADWEAR
Information Patent Application
Anti-splatter cover for microwave cooking
- Publication number 20030205575
- Publication date Nov 6, 2003
- David S. DeWinter
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Rake with extendable material-moving implement
- Publication number 20020134066
- Publication date Sep 26, 2002
- David S. DeWinter
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING