James M. Grupa

LI Lake Center Industries: 1 patents #3 of 17Top 20%

📍 Beaver Dam, WI: #67 of 108 inventorsTop 65%

🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%

Overall (All Time): #3,806,824 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5348449	Airflow regulator	Robert A. Wilke	1994-09-20