Robert P. Freihage

📍 Afton, IA: #1 of 1 inventorsTop 100%

🗺 Iowa: #47 of 364 inventorsTop 15%

Overall (1982): #18,450 of 81,411Top 25%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4312322	Disced friction heater	—	1982-01-26