JH

John Hanna

📍 Cockatoo, PA: #2 of 3 inventorsTop 70%
Overall (All Time): #1,858,535 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11473074 Method of producing collagenase Christine A. Sheaffer, Michael Berbaum, Jason Dziadosz, Daniel Shanafelt 2022-10-18
D408597 Anal bung for animals and birds 1999-04-20