Clapper; Dennis L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Clapper; Dennis L..The latest application filed is for "inflatable cushion valve and attachment apparatus".
- Clapper; Dennis L. - Swansea IL
| Patent | Date |
|---|---|
| Inflatable cellular mattress with alternating zones of inflated cells Grant 8,893,338 - McCausland , et al. November 25, 2 | 2014-11-25 |
| Inflatable Cushion Valve And Attachment Apparatus App 20140259430 - Rickman; Paul A. ; et al. | 2014-09-18 |
| Inflatable cushion valve and attachment apparatus Grant 8,739,338 - Rickman , et al. June 3, 2 | 2014-06-03 |
| Cushion And Self-adjusting Valve App 20130219626 - Clapper; Dennis L. | 2013-08-29 |
| Inflatable Cellular Mattress With Alternating Zones Of Inflated Cells App 20120036646 - McCausland; J. David ; et al. | 2012-02-16 |
| Inflatable Cushion Valve And Attachment Apparatus App 20110258783 - Rickman; Paul A. ; et al. | 2011-10-27 |
| Molded seat cushion with internal shape matching ischial structures Grant 8,011,043 - Graebe , et al. September 6, 2 | 2011-09-06 |
| Inflatable Cellular Mattress With Alternating Zones Of Inflated Cells App 20100205750 - McCausland; David ; et al. | 2010-08-19 |
| Molded Seat Cushion With Internal Shape Matching Ischial Structures App 20090217457 - Graebe; Robert H. ; et al. | 2009-09-03 |
| Heat diffusing cushion or mattress App 20050120483 - Clapper, Dennis L. | 2005-06-09 |
| Cellular cushion vehicle seat system App 20040160112 - Clapper, Dennis L. | 2004-08-19 |
| Valve for zoned cellular cushion Grant 6,687,936 - Graebe , et al. February 10, 2 | 2004-02-10 |
| Valve For Zoned Cellular Cushion App 20030192125 - Graebe, Robert W. ; et al. | 2003-10-16 |
| Cellular cushion vehicle seat system Grant 6,623,080 - Clapper September 23, 2 | 2003-09-23 |
| Cellular cushion vehicle seat system App 20030030319 - Clapper, Dennis L. | 2003-02-13 |
| Seat cushion Grant D463,701 - Borcherding , et al. October 1, 2 | 2002-10-01 |
| Modular backrest system for a wheelchair Grant 6,095,611 - Bar , et al. August 1, 2 | 2000-08-01 |
| Back support pad assembly for a wheelchair Grant D413,841 - Bar , et al. September 14, 1 | 1999-09-14 |
| Back support pad assembly for a wheelchair Grant D413,085 - Bar , et al. August 24, 1 | 1999-08-24 |
| Back support pad assembly for a wheelchair Grant D412,685 - Bar , et al. August 10, 1 | 1999-08-10 |
| Back support for a wheelchair Grant D408,767 - Bar , et al. April 27, 1 | 1999-04-27 |
| Back support for a wheelchair Grant D407,353 - Bar , et al. March 30, 1 | 1999-03-30 |
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