Allen; Donavan J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Allen; Donavan J..The latest application filed is for "carpet cleaning device".
- Allen; Donavan J. - Greer SC
- Allen; Donavan J. - N/A
- Allen; Donavan J. - US
- Allen, Donavan J. - Taylors SC
| Patent | Date |
|---|---|
| Fluid cleaning device Grant 9,326,484 - Allen May 3, 2 | 2016-05-03 |
| Carpet cleaning device Grant 9,144,359 - Gebhard , et al. September 29, 2 | 2015-09-29 |
| Carpet cleaning device App 20140143976 - Gebhard; Albert W. ; et al. | 2014-05-29 |
| Fluid Cleaning Device App 20130292497 - Allen; Donavan J. | 2013-11-07 |
| Vacuum attachment assembly App 20120023697 - Gebhard; Albert W. ; et al. | 2012-02-02 |
| Air recirculating surface cleaning device Grant 7,788,765 - Allen September 7, 2 | 2010-09-07 |
| Air Recirculating Surface Cleaning Device App 20080209667 - Allen; Donavan J. | 2008-09-04 |
| Air recirculating surface cleaning device App 20050217065 - Allen, Donavan J. ; et al. | 2005-10-06 |
| Air recirculating surface cleaning device App 20040134024 - Allen, Donavan J. | 2004-07-15 |
| Air recirculating surface cleaning device Grant 6,725,500 - Allen , et al. April 27, 2 | 2004-04-27 |
| Air recirculating surface cleaning device App 20020184730 - Allen, Donavan J. ; et al. | 2002-12-12 |
| Hair dryer apparatus and method Grant 5,956,863 - Allen September 28, 1 | 1999-09-28 |
| Fluid flow apparatus and process Grant 4,991,314 - Allen February 12, 1 | 1991-02-12 |
| Fluid flow apparatus and process Grant 4,928,402 - Allen May 29, 1 | 1990-05-29 |
| Hydroponic bedding tray apparatus Grant 4,248,013 - Allen February 3, 1 | 1981-02-03 |
| System and apparatus for automatically feeding plants Grant 4,148,155 - Allen April 10, 1 | 1979-04-10 |
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