Pfaff; Douglas J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pfaff; Douglas J..The latest application filed is for "variable torque device for maintaining constant web tension".
- Pfaff; Douglas J. - Rochester NY
| Patent | Date |
|---|---|
| Variable torque device for maintaining constant web tension Grant 7,130,571 - Berg , et al. October 31, 2 | 2006-10-31 |
| Variable torque device for maintaining constant web tension App 20050147433 - Berg, Richard H. ; et al. | 2005-07-07 |
| Medium-handling in printer for donor and receiver mediums Grant 6,715,949 - Fisher , et al. April 6, 2 | 2004-04-06 |
| Medium-handling In Printer For Donor And Receiver Mediums App 20040057766 - Fisher, Terrence L. ; et al. | 2004-03-25 |
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