JH

Jon A. Hass

EC Earth Tool Company: 1 patents #11 of 15Top 75%
📍 Oconomowoc, WI: #231 of 386 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,777,409 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5440797 Method for making a pneumatic ground piercing tool Steven W. Wentworth, Robert F. Crane 1995-08-15