Donald W. Percy

📍 Londonderry, NH: #4 of 14 inventorsTop 30%

🗺 New Hampshire: #146 of 683 inventorsTop 25%

Overall (1997): #157,781 of 185,788Top 85%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5599363	Vacuum filter belt apparatus	—	1997-02-04