WP

Walter P. Pukalo

VI Vibratech: 3 patents #1 of 9Top 15%
Overall (All Time): #1,648,145 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5542507 Position dependent variable output torque viscous damper Mark Warchocki 1996-08-06
4953778 Method of making torsional vibration damper having a roll spun housing Thomas J. Critton, Donald S. Johnson, Ralph Yorio 1990-09-04
4872369 Torsional vibration damper having a roll spun housing and other improvements Thomas J. Critton, Donald S. Johnson, Ralph Yorio 1989-10-10