Douglas S. Smith

Follow

Person

Sacramento, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Door stile structure
- Patent number 7,210,274
- Issue date May 1, 2007
- Mark Ballantyne
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Door lamination structure
- Patent number 6,358,593
- Issue date Mar 19, 2002
- American Building Supply, Inc.
- Grant Bennett
- B32 - LAYERED PRODUCTS
Information Patent Grant
Simulated panel door structure and method
- Patent number 5,918,434
- Issue date Jul 6, 1999
- American Building Supply, Inc.
- Mark Ballantyne
- B44 - DECORATIVE ARTS
Information Patent Grant
Product adaptable, process compatible, ergonomic means and method f...
- Patent number 5,058,745
- Issue date Oct 22, 1991
- Hewlett-Packard Company
- Gary J. Warner
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
DOOR STILE STRUCTURE
- Publication number 20040187428
- Publication date Sep 30, 2004
- Mark Ballantyne
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS