7 Utility and 11 Design Patents
#1 in McFarland, WI
#463 in Wisconsin
#11,770 in US
#20,890 in the World
rank by design patentsForward Citations = 360
Company Filing History:

Alterra Holdings Corporation
Roto Zip Tool Corporation
4. 2 out of 87

5. 1 out of 159

where one patent can have more than one assignee
Get your Inventor Badge Today