DL

Douglas E. Ludwig

HI Harper International: 1 patents #1 of 7Top 15%
📍 Depew, NY: #2 of 3 inventorsTop 70%
🗺 New York: #3,002 of 9,277 inventorsTop 35%
Overall (2002): #227,746 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6464493 Multi-axis rotary seal system Brian A. Polino, Carl Vander Weide, David M. Bencic, Edgard Matrak 2002-10-15