William R. Grovesteen

AO American Optical: 1 patents #56 of 106Top 55%

📍 Southbridge, MA: #48 of 90 inventorsTop 55%

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%

Overall (All Time): #4,098,525 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4294599	Aerosol filter cartridge	John A. Jones	1981-10-13