DM

Dave McDonald

AR American Safety Razor: 3 patents #16 of 53Top 35%
📍 Merrimack, NH: #160 of 452 inventorsTop 40%
🗺 New Hampshire: #4,150 of 12,181 inventorsTop 35%
Overall (All Time): #1,610,278 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6598301 Multi-purpose razor blade tool Gregory F. McCool, Jeffrey W. Wonderley, Eric Karl Litscher, John Depiano, Roy Heinz +1 more 2003-07-29
D474668 Razor blade tool Eric Karl Litscher, John Depiano, Roy Heinz, Will Wear, Gregory F. McCool +1 more 2003-05-20
D458105 Razor blade tool Eric Karl Litscher, John Depiano, Roy Heinz, Will Wear, Jeffrey W. Wonderley 2002-06-04