David A. Martens

Follow

Person

Abbotsford, British Columbia, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Paper sales rack with adjustable modular shelving
- Patent number 7,350,649
- Issue date Apr 1, 2008
- David A. Martens
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Adjustable putting green for golf practice
- Patent number 7,195,563
- Issue date Mar 27, 2007
- David A. Martens
- A63 - SPORTS GAMES AMUSEMENTS