Barker; Douglas C
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barker; Douglas C.The latest application filed is for "surgical helmet".
- Barker; Douglas C - Canton OH
- Barker; Douglas C. - Canton OH
- Barker; Douglas C. - North Canton OH
| Patent | Date |
|---|---|
| Surgical helmet Grant 11,284,655 - Pavalarajan , et al. March 29, 2 | 2022-03-29 |
| Surgical Helmet App 20220038314 - Pavalarajan; Ganesh B. ; et al. | 2022-02-03 |
| Automatic Cuff Identification System And Method App 20210251500 - Vasandani; Paresh M. ; et al. | 2021-08-19 |
| Surgical Helmet App 20200268073 - Pavalarajan; Ganesh B. ; et al. | 2020-08-27 |
| Surgical helmet Grant 10,687,568 - Pavalarajan , et al. | 2020-06-23 |
| Surgical Helmet App 20180084848 - Pavalarajan; Ganesh B. ; et al. | 2018-03-29 |
| Dermatome Blade Assembly App 20110276060 - Barker; Douglas C. ; et al. | 2011-11-10 |
| Dermatome blade assembly Grant 8,002,779 - Barker , et al. August 23, 2 | 2011-08-23 |
| Dermatome Blade Assembly App 20090157095 - Barker; Douglas C. ; et al. | 2009-06-18 |
| Suction nozzle assembly for a cleaning apparatus Grant 7,367,083 - Barker , et al. May 6, 2 | 2008-05-06 |
| Base for an upright extractor Grant D545,012 - Parr , et al. June 19, 2 | 2007-06-19 |
| Portion of a portable cleaning machine Grant D534,699 - Moine , et al. January 2, 2 | 2007-01-02 |
| Removable hose and tool caddy Grant 7,039,985 - Hisrich , et al. May 9, 2 | 2006-05-09 |
| Portable cleaning machine Grant D517,260 - Moine , et al. March 14, 2 | 2006-03-14 |
| Tank for a portable cleaning machine Grant D513,648 - Moine , et al. January 17, 2 | 2006-01-17 |
| Tank for a portable cleaning machine Grant D513,649 - Moine , et al. January 17, 2 | 2006-01-17 |
| Suction nozzle assembly for a cleaning apparatus App 20050283936 - Barker, Douglas C. ; et al. | 2005-12-29 |
| Portion of a hood for a dry carpet cleaning dry powder spreader Grant D505,527 - Archer , et al. May 24, 2 | 2005-05-24 |
| Carpet cleaning dry powder spreader Grant D498,888 - Archer , et al. November 23, 2 | 2004-11-23 |
| Vacuum cleaner Grant D488,893 - Moine , et al. April 20, 2 | 2004-04-20 |
| Vacuum cleaner suction nozzle Grant D474,315 - Archer , et al. May 6, 2 | 2003-05-06 |
| Compact carpet and upholstery extractor Grant 6,108,860 - Crouser , et al. August 29, 2 | 2000-08-29 |
| Vacuum cleaner upper portion Grant D427,397 - Alford , et al. June 27, 2 | 2000-06-27 |
| Hard bag door with air directing arrangement Grant 5,961,676 - King , et al. October 5, 1 | 1999-10-05 |
| Wheel driven suction nozzle Grant 5,960,514 - Miller , et al. October 5, 1 | 1999-10-05 |
| Compact carpet and upholstery extractor Grant 5,870,798 - Crouser , et al. February 16, 1 | 1999-02-16 |
| Hand held turbine powered extractor nozzle Grant 5,867,864 - Miller , et al. February 9, 1 | 1999-02-09 |
| Carpet extractor Grant D398,100 - Stephens , et al. September 8, 1 | 1998-09-08 |
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