Dennis D. Downing

📍 Caledonia, MI: #5 of 10 inventorsTop 50%

🗺 Michigan: #1,023 of 4,492 inventorsTop 25%

Overall (1997): #160,351 of 185,788Top 90%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5590720	Lawn edger apparatus	—	1997-01-07