Donald F. Gray

📍 Owosso, MI: #3 of 11 inventorsTop 30%

🗺 Michigan: #973 of 4,313 inventorsTop 25%

Overall (1994): #141,318 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5332283	Three legged folding chair	—	1994-07-26