Alvin E. Witt

Person

Media, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Abrasion resistant urethane coatings
- Patent number 6,228,433
- Issue date May 8, 2001
- Permagrain Products, Inc.
- Alvin E. Witt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Coated synthetic resin board tiles
- Patent number 5,985,397
- Issue date Nov 16, 1999
- Alvin E. Witt
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Coated synthetic resin board tiles
- Patent number 5,976,689
- Issue date Nov 2, 1999
- Permagrain Products, Inc.
- Alvin E. Witt
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Coated cement board tiles
- Patent number 5,437,934
- Issue date Aug 1, 1995
- PermaGrain Products, Inc.
- Alvin E. Witt
- B32 - LAYERED PRODUCTS
Information Patent Grant
Title display system
- Patent number 5,271,200
- Issue date Dec 21, 1993
- PermaGrain Products, Inc.
- Alvin E. Witt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Impregnated wood product having a bleached or white appearance and...
- Patent number 4,568,564
- Issue date Feb 4, 1986
- PermaGrain Products, Inc.
- Alvin E. Witt
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Stain-resistant earthen articles, grout and floor and wall surfaces...
- Patent number 4,519,174
- Issue date May 28, 1985
- PermaGrain Products, Inc.
- Alvin E. Witt
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Stain-resistant earthen articles
- Patent number 4,407,884
- Issue date Oct 4, 1983
- PermaGrain Products, Inc.
- Alvin E. Witt
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Moisture-resistant fire-retardant decorative floor and wall coverin...
- Patent number 4,256,798
- Issue date Mar 17, 1981
- PermaGrain Products, Inc.
- Alvin E. Witt
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
Abrasion resistant urethane coatings
- Publication number 20010051229
- Publication date Dec 13, 2001
- Alvin E. Witt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Alvin E. Witt

Person

Patents Grantslast 30 patents

Abrasion resistant urethane coatings

Coated synthetic resin board tiles

Coated synthetic resin board tiles

Coated cement board tiles

Title display system

Impregnated wood product having a bleached or white appearance and...

Stain-resistant earthen articles, grout and floor and wall surfaces...

Stain-resistant earthen articles

Moisture-resistant fire-retardant decorative floor and wall coverin...

Patents Applicationslast 30 patents

Abrasion resistant urethane coatings