DF

Daniel D. Frey

📍 Natick, MA: #534 of 819 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,127,420 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8844959 Wheelchair with lever drivetrain Amos G. Winter, Mario Bollini, Danielle M. DeLatte, Harrison F. O'Hanley, Natasha K. Scolnik +6 more 2014-09-30