Joseph Pickl, Jr.

📍 Ann Arbor, MI: #97 of 327 inventorsTop 30%

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

Overall (1997): #126,790 of 185,788Top 70%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5692539	Check valve for liquids	—	1997-12-02