Douglas C. Steffens

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Clarksville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Folding cargo bay cover for pickup truck
- Patent number 9,669,689
- Issue date Jun 6, 2017
- Steffens Enterprises, Inc.
- Charles J. Steffens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Folding cargo bay cover for pickup truck
- Patent number 8,205,928
- Issue date Jun 26, 2012
- Steffans Enterprises, Inc.
- Charles J. Steffens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Folding cargo bay cover for pickup truck
- Patent number 7,735,881
- Issue date Jun 15, 2010
- Steffens Enterprises, Inc.
- Charles J. Steffens
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FOLDING CARGO BAY COVER FOR PICKUP TRUCK
- Publication number 20120251228
- Publication date Oct 4, 2012
- STEFFENS ENTERPRISES, INC.
- Charles J. Steffens
- B60 - VEHICLES IN GENERAL
Information Patent Application
FOLDING CARGO BAY COVER FOR PICKUP TRUCK
- Publication number 20100219658
- Publication date Sep 2, 2010
- STEFFENS ENTERPRISES, INC.
- Charles J. Steffens
- B60 - VEHICLES IN GENERAL
Information Patent Application
FOLDING CARGO BAY COVER FOR PICKUP TRUCK
- Publication number 20090146449
- Publication date Jun 11, 2009
- STEFFENS ENTERPRISES, INC.
- Charles J. Steffens
- B60 - VEHICLES IN GENERAL