Donald H. Haydo

IA Italimplanti Of America: 2 patents #3 of 13Top 25%

📍 New Castle, PA: #105 of 267 inventorsTop 40%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,323,881 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4967579	Adjustable guide for rotating cylindrical member	William H. Berg	1990-11-06
4926668	Automatic die box positioning for drawblock	Robert J. Rau	1990-05-22