DR

Dennis Raefield

📍 Danville, CA: #604 of 1,210 inventorsTop 50%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,021,453 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8941465 System and method for secure entry using door tokens Stephen Pineau, David Lee, Ola Wiberg, Shayne Peter Bates, Steven Chand 2015-01-27
8907763 System, station and method for mustering Steven Pineau, Ola Wiberg, David Lee, Shayne Peter Bates, Steven Chand 2014-12-09