Hartman, Kenneth D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hartman, Kenneth D..The latest application filed is for "frequency correction circuit for a periodic source such as a crystal oscillator".
- Hartman, Kenneth D. - DeKalb IL
| Patent | Date |
|---|---|
| Frequency correction circuit for a periodic source such as a crystal oscillator App 20010030556 - Hartman, Kenneth D. ; et al. | 2001-10-18 |
| Frequency correction circuit for a periodic source such as a crystal oscillator Grant 6,249,155 - Hartman , et al. June 19, 2 | 2001-06-19 |
| Air freshener dispenser with replaceable cartridge exhaustion alarm Grant 5,223,182 - Steiner , et al. * June 29, 1 | 1993-06-29 |
| Air freshener dispenser with replaceable cartridge exhaustion alarm Grant 5,126,078 - Steiner , et al. June 30, 1 | 1992-06-30 |
| Electronic martial arts training device Grant 4,974,833 - Hartman , et al. December 4, 1 | 1990-12-04 |
| Portable temperature controlled floating electric immersion heater for a livestock water tank Grant 4,835,366 - Owen , et al. May 30, 1 | 1989-05-30 |
| Doppler-type projectile velocity measurement and communication apparatus, and method Grant 4,283,989 - Toulios , et al. August 18, 1 | 1981-08-18 |
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