Home › Unknown › Federico E. de los Santos

Federico E. de los Santos — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Copoya, AZ: #1 of 1 inventorsTop 100%

Overall (All Time): #1,663,676 of 4,157,543Top 45%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4993301	Jagged edge pick for a stringed musical instrument	—	1991-02-19
4817488	Guitar slide bar apparatus	—	1989-04-04
4366929	Process and apparatus for grinding materials	—	1983-01-04