DS

Donald S. Sperber

📍 Cardiff-by-the-Sea, CA: #32 of 51 inventorsTop 65%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,974,911 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9580655 Flame-retardant formulations and methods relating thereto — 2017-02-28
5323897 Portable enclosure - self-contained for wet articles — 1994-06-28