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Patent applications and USPTO patent grants for Neumann; Peter W..The latest application filed is for "isolated dual ac-dc plug".
Patent | Date |
---|---|
Isolated dual AC-DC plug Grant 7,438,574 - Neumann October 21, 2 | 2008-10-21 |
Isolated dual AC-DC plug App 20070202724 - Neumann; Peter W. | 2007-08-30 |
Memo Recorder/tape Measuring Module App 20050076450 - Fischer, Emie ;   et al. | 2005-04-14 |
Memo recorder/tape measuring module Grant 6,868,571 - Fischer , et al. March 22, 2 | 2005-03-22 |
DC to DC voltage converter having a switching signal with adjustable frequency and an adjustable duty cycle Grant 6,727,679 - Kovarik , et al. April 27, 2 | 2004-04-27 |
DC to DC voltage converter App 20030173940 - Kovarik, Illya ;   et al. | 2003-09-18 |
AC/DC power supply system for power tools App 20020067080 - Neumann, Peter W. | 2002-06-06 |
Power supply system for battery operated devices Grant 6,243,276 - Neumann June 5, 2 | 2001-06-05 |
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