Stephens; Barry D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stephens; Barry D..The latest application filed is for "barrier system and connector".
- Stephens; Barry D. - Roseville CA
- Stephens; Barry D. - Citrus Heights CA
| Patent | Date |
|---|---|
| End terminal Grant RE47,626 - Smith , et al. O | 2019-10-01 |
| Barrier system and connector Grant 9,181,665 - Stephens , et al. November 10, 2 | 2015-11-10 |
| End terminal Grant 8,905,382 - Smith , et al. December 9, 2 | 2014-12-09 |
| Barrier System And Connector App 20140314479 - STEPHENS; BARRY D. ; et al. | 2014-10-23 |
| Gate for barrier system and methods for the assembly and use thereof Grant 8,647,012 - Wilkinson , et al. February 11, 2 | 2014-02-11 |
| Guardrail assembly, breakaway support post for a guardrail and methods for the assembly and use thereof Grant 8,360,400 - Leonhardt , et al. January 29, 2 | 2013-01-29 |
| Method for transferring a barrier Grant 8,348,546 - Welch , et al. January 8, 2 | 2013-01-08 |
| End Terminal App 20120217459 - Smith; Brian ; et al. | 2012-08-30 |
| Guardrail Assembly, Breakaway Support Post For A Guardrail And Methods For The Assembly And Use Thereof App 20120211710 - Leonhardt; Patrick A. ; et al. | 2012-08-23 |
| Guardrail assembly, breakaway support post for a guardrail and methods for the assembly and use thereof Grant 8,215,619 - Leonhardt , et al. July 10, 2 | 2012-07-10 |
| Method For Transferring A Barrier App 20120128418 - Welch; James B. ; et al. | 2012-05-24 |
| Barrier transfer device, system and method for the use thereof Grant 8,109,692 - Welch , et al. February 7, 2 | 2012-02-07 |
| Gate For Barrier System And Methods For The Assembly And Use Thereof App 20110271597 - Wilkinson; Douglas E. ; et al. | 2011-11-10 |
| Guardrail Assembly, Breakaway Support Post For A Guardrail And Methods For The Assembly And Use Thereof App 20100243978 - LEONHARDT; PATRICK A. ; et al. | 2010-09-30 |
| Barrier transfer device, system and method for the use thereof App 20090074507 - Welch; James B. ; et al. | 2009-03-19 |
| Energy-absorbing assembly for roadside impact attenuator App 20020154946 - Stephens, Barry D. ; et al. | 2002-10-24 |
| Vehicle impact attenuator App 20020122692 - Stephens, Barry D. ; et al. | 2002-09-05 |
| Roadway deicing system Grant 6,270,020 - Thompson , et al. August 7, 2 | 2001-08-07 |
| Highway crash cushion and components thereof Grant 5,868,521 - Oberth , et al. February 9, 1 | 1999-02-09 |
| Vehicle crash cushion Grant 5,314,261 - Stephens May 24, 1 | 1994-05-24 |
| Vehicle impact attenuating device Grant 4,711,481 - Krage , et al. December 8, 1 | 1987-12-08 |
| Universal anchor assembly for impact attenuation device Grant 4,583,716 - Stephens , et al. April 22, 1 | 1986-04-22 |
| Restorable fender panel Grant 4,452,431 - Stephens , et al. June 5, 1 | 1984-06-05 |
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