Lipniarski; David J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lipniarski; David J..The latest application filed is for "three/four step ladder with a curve about".
- Lipniarski; David J. - North Tonawanda NY US
- Lipniarski; David J. - N. Tonawanda NY
| Patent | Date |
|---|---|
| Stackable barrier with connector Grant 9,016,668 - Christensen , et al. April 28, 2 | 2015-04-28 |
| Three/four step ladder with a curve about Grant 8,936,134 - Lipniarski January 20, 2 | 2015-01-20 |
| Three/four step ladder with a curve about App 20140069742 - Lipniarski; David J. | 2014-03-13 |
| Control barrier Grant 8,453,995 - Christensen , et al. June 4, 2 | 2013-06-04 |
| Control barrier with rotatable legs Grant 7,789,585 - Christensen , et al. September 7, 2 | 2010-09-07 |
| Control Barrier With Rotatable Legs App 20090278103 - Christensen; Marc E. ; et al. | 2009-11-12 |
| Control barrier with rotatable legs Grant D599,488 - Christensen , et al. September 1, 2 | 2009-09-01 |
| Secure interlocking system for plastic materials Grant 7,578,632 - Lipniarski August 25, 2 | 2009-08-25 |
| Control barrier with rotatable legs Grant 7,540,682 - Christensen , et al. June 2, 2 | 2009-06-02 |
| Indented female blow-molded connector and male connector and method Grant 7,526,841 - Lipniarski May 5, 2 | 2009-05-05 |
| Control Barrier App 20090001334 - Christensen; Marc E. ; et al. | 2009-01-01 |
| Secure interlocking system for plastic materials App 20080279624 - Lipniarski; David J. | 2008-11-13 |
| Traffic barricade having interchangeable parts Grant 7,448,824 - Lipniarski November 11, 2 | 2008-11-11 |
| Traffic Barricade Having Interchangeable Parts App 20080213041 - Lipniarski; David J. | 2008-09-04 |
| Traffic barrier Grant D569,992 - Christensen , et al. May 27, 2 | 2008-05-27 |
| Indented female blow-molded connector and male connector and method App 20080047113 - Lipniarski; David J. | 2008-02-28 |
| Indented female blow-molded connector and male connector and method Grant 7,275,289 - Lipniarski October 2, 2 | 2007-10-02 |
| Indented female blow-molded connector and male connector and method Grant 7,234,780 - Lipniarski June 26, 2 | 2007-06-26 |
| Indented female blow-molded connector and male connector and method App 20050215104 - Lipniarski, David J. | 2005-09-29 |
| Indented female blow-molded connector and male connector and method App 20050097714 - Lipniarski, David J. | 2005-05-12 |
| Indented female blow-molded connector App 20050070167 - Lipniarski, David J. | 2005-03-31 |
| Indented female blow-molded connector App 20040107551 - Lipniarski, David J. | 2004-06-10 |
| Circular interconnect Grant 6,190,600 - Lipniarski February 20, 2 | 2001-02-20 |
| Gate Grant D401,360 - Confer , et al. November 17, 1 | 1998-11-17 |
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