Vann Roy R
USPTO Trademark & Patent Filings
Trademark applications and grants for Vann Roy R. Vann Roy R has 2 trademark applications. The latest application filed is for "VANNGUN"
- Company Aliases
- VANN, ROY R.
- Vann; Roy R.
- r roy vann
- Vann; Roy R. - Tyler TX
- Vann, Roy R. - Flint TX
- Vann; Roy R. - Flint TX
Trademarks Patents
| Patent Application | Date |
|---|---|
| Gas assisted lift system 20110192590 - 13/066576 Morrison; James C. ; et al. | 2011-08-11 |
| Gas assisted lift system 20080257547 - 12/072725 Vann; Roy R. | 2008-10-23 |
| Method for using a reciprocating pump vent-dump valve 20040163815 - 10/656061 Vann, Roy R. | 2004-08-26 |
| Reciprocating pump dump valve 20040055743 - 10/656084 Vann, Roy R. | 2004-03-25 |
| Reciprocating pump vent-dump valve and methods of use 20030159831 - 10/374567 Vann, Roy R. | 2003-08-28 |
| Gas assisted lift system 8,678,095 - 13/066,576 Morrison , et al. March 25, 2 | 2014-03-25 |
| Gas assisted lift system 8,678,095 - 13/066,576 Morrison , et al. March 25, 2 | 2014-03-25 |
| Gas assisted lift system 7,703,536 - 12/072,725 Vann April 27, 2 | 2010-04-27 |
| Method for using a reciprocating pump vent-dump valve 6,857,477 - 10/656,061 Vann February 22, 2 | 2005-02-22 |
| Reciprocating pump dump valve and methods of use 6,672,393 - 10/374,566 Vann January 6, 2 | 2004-01-06 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"VANNGUN" 1080794 73109847 |
VANNGUN 1976-12-16 |
"VANNSYSTEM" 1146306 73109846 |
VANNSYSTEM 1976-12-16 |
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