Donald L. Griffes

📍 Newport, VT: #1 of 2 inventorsTop 50%

🗺 Vermont: #21 of 274 inventorsTop 8%

Overall (1994): #35,212 of 165,921Top 25%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5285771	Make-up air control system apparatus	—	1994-02-15
D343700	Spark arrestor apparatus	—	1994-01-25