Zimmerman; David E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zimmerman; David E..The latest application filed is for "battery tester".
- Zimmerman; David E. - Cincinnati OH
- Zimmerman; David E. - Grass Valley CA
| Patent | Date |
|---|---|
| Battery tester Grant D611,851 - Zimmerman , et al. March 16, 2 | 2010-03-16 |
| Battery tester Grant D569,285 - Zimmerman , et al. May 20, 2 | 2008-05-20 |
| Battery tester Grant D515,444 - Zimmerman , et al. February 21, 2 | 2006-02-21 |
| Circuit for converting an ECL signal into a CMOS signal Grant 5,075,580 - Dayton , et al. December 24, 1 | 1991-12-24 |
| Tracking modulation limiter for lasers Grant 4,757,508 - Zimmerman July 12, 1 | 1988-07-12 |
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