HS

Howard L. Spielman

📍 Placerville, CA: #7 of 17 inventorsTop 45%
🗺 California: #14,783 of 41,698 inventorsTop 40%
Overall (2011): #283,148 of 364,097Top 80%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7937724 Advertising content tracking for an entertainment device Darren Clark, Chris Scott, David S. Schmidt 2011-05-03