Betty L. Schafer

SS Schafer Systems: 1 patents #7 of 20Top 35%

📍 Greenfield, IA: #5 of 13 inventorsTop 40%

🗺 Iowa: #8,735 of 15,303 inventorsTop 60%

Overall (All Time): #3,712,300 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D378507	Boat	Christopher E. Schafer	1997-03-18