John P. Etcheverry

IT International Telephone And Telegraph: 1 patents #182 of 507Top 40%

📍 San Fernando, CA: #1,178 of 2,303 inventorsTop 55%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #4,097,107 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4290615	Butterfly valve	—	1981-09-22