Robert J. Poortvliet

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Jenison, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand operated actuator for rotary storage cabinet
- Patent number 5,494,347
- Issue date Feb 27, 1996
- White Consolidated Industries, Inc.
- Robert J. Poortvliet
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
File cabinet
- Patent number D365225
- Issue date Dec 19, 1995
- White Consolidated Industries, Inc.
- Robert J. Poortvliet
- D06 - Furnishings
Information Patent Grant
Method of assembling office furniture wire rod stacking chair
- Patent number 5,201,108
- Issue date Apr 13, 1993
- Allsteel Inc.
- Craig A. Clark
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Back assembly for wire rod office furniture stacking chair
- Patent number 5,110,186
- Issue date May 5, 1992
- Allsteel Inc.
- Craig A. Clark
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Wire rod office furniture stacking chair
- Patent number 5,064,247
- Issue date Nov 12, 1991
- Allsteel Inc.
- Craig A. Clark
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Floor-to-ceiling wall system
- Patent number 4,709,517
- Issue date Dec 1, 1987
- Architectural Wall Systems, Inc.
- Terry L. Mitchell
- E04 - BUILDING