Wilsdorf; Doris
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wilsdorf; Doris.The latest application filed is for "mp-d machines".
- Wilsdorf; Doris - Charlottesville VA
| Patent | Date |
|---|---|
| MP-A and MP-T machines, multipolar machines for alternating and three-phase currents Grant 7,777,383 - Wilsdorf August 17, 2 | 2010-08-17 |
| Mp-d Machines App 20090309450 - Wilsdorf; Doris | 2009-12-17 |
| Mp-a and Mp-t Machines, Multipolar Machines for Alternating and Three-Phase Currents App 20080246365 - Wilsdorf; Doris | 2008-10-09 |
| Multipolar-Plus Machines-Multipolar Machines With Reduced Numbers of Brushes App 20080048513 - Wilsdorf; Doris | 2008-02-28 |
| Bipolar machine App 20050073206 - Wilsdorf, Doris | 2005-04-07 |
| Bipolar machines-a new class of homopolar motor/generator App 20030052564 - Wilsdorf, Doris | 2003-03-20 |
| Electric brush Grant 4,415,635 - Wilsdorf , et al. November 15, 1 | 1983-11-15 |
| Versatile electrical fiber brush and method of making Grant 4,358,699 - Wilsdorf November 9, 1 | 1982-11-09 |
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