Donald J. Propp

TS Tri-State Hospital Supply: 1 patents #1 of 1Top 100%

📍 Lansing, MI: #3 of 21 inventorsTop 15%

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

Overall (1994): #140,683 of 165,921Top 85%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5282794	Guarded needle and retaining means	—	1994-02-01