DH

David Marcos Halpern

📍 West Hollywood, CA: #535 of 1,485 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,260,199 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5749883 Medical instrument — 1998-05-12
D291894 Eyeglass retaining cord with adjustable slide George Weisenfeld 1987-09-15