RL

Robert Z. Langevin

ES Electro Sound: 2 patents #2 of 5Top 40%
📍 Los Gatos, CA: #1,718 of 2,986 inventorsTop 60%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,348,236 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4589608 Cassette loading apparatus George D. Rehklau, Lee A. Cotterill 1986-05-20
4512527 Cassette loading apparatus George D. Rehklau, Lee A. Cotterill 1985-04-23