Joseph F. Schaefer

📍 Fessenden, ND: #4 of 5 inventorsTop 80%

🗺 North Dakota: #1,185 of 2,395 inventorsTop 50%

Overall (All Time): #3,839,207 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5267926	Multifunctional exercise device	—	1993-12-07