Roberts; Kenneth L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roberts; Kenneth L..The latest application filed is for "system and method for detecting liquid flow from a nozzle in a semiconductor processing device".
- Roberts; Kenneth L. - Forney TX
- Roberts; Kenneth L. - Rockford MI
- Roberts; Kenneth L. - Walker MI
- Roberts; Kenneth L. - Battle Creek MI
Trademarks
| Patent | Date |
|---|---|
| System and method for detecting liquid flow from a nozzle in a semiconductor processing device Grant 7,233,015 - Roberts June 19, 2 | 2007-06-19 |
| System and method for detecting liquid flow from a nozzle in a semiconductor processing device App 20060091335 - Roberts; Kenneth L. | 2006-05-04 |
| Base portion of a vacuum cleaner Grant D487,602 - Roberts , et al. March 16, 2 | 2004-03-16 |
| Upright portion of a vacuum cleaner Grant D477,698 - Roberts , et al. July 22, 2 | 2003-07-22 |
| Extraction cleaner with tank retention Grant 6,550,098 - Roberts , et al. April 22, 2 | 2003-04-22 |
| Upright vacuum cleaner dirt separator front Grant D468,069 - Roberts , et al. December 31, 2 | 2002-12-31 |
| Bottle Grant D467,812 - Roberts , et al. December 31, 2 | 2002-12-31 |
| Vacuum cleaner upper portion Grant D462,815 - Roberts , et al. September 10, 2 | 2002-09-10 |
| Vacuum cleaner upper portion Grant D462,489 - Roberts , et al. September 3, 2 | 2002-09-03 |
| Vacuum cleaner with snap-fit handle and torque-reducing support Grant 6,334,233 - Roberts , et al. January 1, 2 | 2002-01-01 |
| Handle for an upright extractor Grant D451,655 - Roberts , et al. December 4, 2 | 2001-12-04 |
| Vacuum cleaner handle Grant D441,154 - Roberts , et al. April 24, 2 | 2001-04-24 |
| Handheld extraction cleaner Grant 6,189,178 - Roberts February 20, 2 | 2001-02-20 |
| Handheld extraction cleaner Grant 6,125,498 - Roberts , et al. October 3, 2 | 2000-10-03 |
| Portable vacuum cleaner Grant D430,365 - Roberts , et al. August 29, 2 | 2000-08-29 |
| Portable vacuum cleaner Grant D426,037 - Roberts , et al. May 30, 2 | 2000-05-30 |
| Upright vacuum cleaner base portion Grant D425,271 - Roberts , et al. May 16, 2 | 2000-05-16 |
| Upright vacuum cleaner upper portion Grant D422,388 - Roberts , et al. April 4, 2 | 2000-04-04 |
| Vacuum cleaner upright portion Grant D379,254 - Roberts , et al. May 13, 1 | 1997-05-13 |
| Vacuum cleaner base Grant D375,821 - Roberts , et al. November 19, 1 | 1996-11-19 |
| Wand handle for a liquid extractor vacuum cleaner Grant D364,014 - Langeland , et al. November 7, 1 | 1995-11-07 |
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