Donald L. Griffes

📍 Newport, VT: #5 of 17 inventorsTop 30%

🗺 Vermont: #1,707 of 4,968 inventorsTop 35%

Overall (All Time): #1,653,233 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5285771	Make-up air control system apparatus	—	1994-02-15
D343700	Spark arrestor apparatus	—	1994-01-25
D330402	Assemblable buoyancy float	—	1992-10-20