DH

Donald A. Haselrig

📍 Pittsburgh, PA: #2,489 of 7,570 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,512,445 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9486686 Martial arts training bag — 2016-11-08
6872171 Martial arts training bag — 2005-03-29
6432027 Martial arts training bag — 2002-08-13