Douglas Martin Grosjean

📍 Pemberville, OH: #11 of 20 inventorsTop 60%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #3,665,908 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5977517	Electrically heated vest	—	1999-11-02