Stewart Michael L
USPTO Trademark & Patent Filings
Trademark applications and grants for Stewart Michael L. Stewart Michael L has 1 trademark applications. The latest application filed is for "GAS-O-MATIC"
- Company Aliases
- Stewart; Michael L.
- l michael stewart
- Stewart; Michael L. - Spring TX
- STEWART; Michael L. - Spring TX
- Stewart, Michael L. - Raleigh NC
Trademarks Patents
| Patent Application | Date |
|---|---|
| CUTTING ELEMENTS HAVING NON-PLANAR SURFACES AND DOWNHOLE CUTTING TOOLS USING SUCH CUTTING ELEMENTS 20220112773 - 17/560409 Chen; Chen ; et al. | 2022-04-14 |
| CUTTING ELEMENTS HAVING NON-PLANAR SURFACES AND DOWNHOLE CUTTING TOOLS USING SUCH CUTTING ELEMENTS 20190264511 - 16/410135 Chen; Chen ; et al. | 2019-08-29 |
| CUTTING ELEMENTS HAVING NON-PLANAR SURFACES AND DOWNHOLE CUTTING TOOLS USING SUCH CUTTING ELEMENTS 20150259988 - 14/613144 CHEN; Chen ; et al. | 2015-09-17 |
| Method and apparatus for just in time education 20050249337 - 11/083070 Ordille, Joann J. ; et al. | 2005-11-10 |
| Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements 11,215,012 - 16/410,135 Chen , et al. January 4, 2 | 2022-01-04 |
| Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements 10,287,825 - 14/613,144 Chen , et al. May 14, 2 | 2019-05-14 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"GAS-O-MATIC" 1324028 73420617 |
GAS-O-MATIC 1983-04-07 |
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