Donald D. Bartholomew

📍 Marine City, MI: #1 of 5 inventorsTop 20%

🗺 Michigan: #416 of 1,972 inventorsTop 25%

Overall (1982): #69,134 of 81,411Top 85%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4310185	Quick connector for tubing	—	1982-01-12