Krofchalk; Gary F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krofchalk; Gary F..The latest application filed is for "idle reduction system".
- Krofchalk; Gary F. - Rockwall TX
- Krofchalk; Gary F. - Rochester MN
| Patent | Date |
|---|---|
| Idle reduction system Grant 10,166,837 - Krofchalk , et al. J | 2019-01-01 |
| Idle Reduction System App 20170305234 - KROFCHALK; Gary F. ; et al. | 2017-10-26 |
| Voice activated dialing apparatus Grant 6,697,455 - Krofchalk February 24, 2 | 2004-02-24 |
| Fluid filtration apparatus Grant 6,666,968 - Smith , et al. December 23, 2 | 2003-12-23 |
| Fluid filtration apparatus App 20020134725 - Smith, Gerald F. ; et al. | 2002-09-26 |
| Fluid filtration apparatus App 20020134723 - Smith, Gerald F. ; et al. | 2002-09-26 |
| User interface for voice activated dialing apparatus App 20020118802 - Krofchalk, Gary F. | 2002-08-29 |
| Voice activated dialing apparatus App 20020118801 - Krofchalk, Gary F. | 2002-08-29 |
| Sidewall vent-mounted fan assembly for a truck cab Grant 5,370,576 - Krofchalk December 6, 1 | 1994-12-06 |
| Vehicle performance monitoring system Grant 5,074,144 - Krofchalk , et al. December 24, 1 | 1991-12-24 |
| Vehicle performance monitoring system Grant 4,945,759 - Krofchalk , et al. August 7, 1 | 1990-08-07 |
| Stair-climbing carrier Grant 4,027,889 - Krofchalk , et al. June 7, 1 | 1977-06-07 |
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