PK

Paul W. Koetsch

📍 Springfield, MA: #1 of 15 inventorsTop 7%
🗺 Massachusetts: #422 of 4,501 inventorsTop 10%
Overall (1997): #28,037 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5660064 Double-locking mechanism for handcuffs Robert J. Ecker 1997-08-26
5598723 Hinge assembly for handcuffs Robert J. Ecker 1997-02-04