Home › Inventors › Frank Greff, Sr.

Frank Greff, Sr.

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

Overall (All Time): #4,002,295 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4613145	Dual wheel cleaner	—	1986-09-23