FC

Frank L. Crist

📍 Grand Ledge, MI: #41 of 79 inventorsTop 55%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,725,662 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D384155 Combined helmet, head and cervical spine immobilizer — 1997-09-23