JD

John Dannenhoffer

BM Bollinger Motors: 2 patents #2 of 8Top 25%
📍 Oak Park, MI: #73 of 200 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #1,758,611 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12017501 Electric automotive vehicle Erik Hardy, Sam Dignan 2024-06-25
11964535 Electric automotive vehicle Robert Bollinger, Jr., Brian L. Van Batavia, Karl Hacken, Erik Hardy, Charles Winegar 2024-04-23