Keel; Michael C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Keel; Michael C..The latest application filed is for "restrained gasket for plastic pipes".
- Keel; Michael C. - Birmingham AL
| Patent | Date |
|---|---|
| Restrained gasket for plastic pipes Grant 11,112,043 - Copeland , et al. September 7, 2 | 2021-09-07 |
| Restrained Gasket For Plastic Pipes App 20200200311 - COPELAND; Daniel A. ; et al. | 2020-06-25 |
| Restrained gasket for plastic pipes Grant 10,663,095 - Copeland , et al. | 2020-05-26 |
| Restrained gasket for plastic pipes Grant 10,619,779 - Copeland , et al. | 2020-04-14 |
| Restrained gasket Grant D857,859 - Copeland , et al. A | 2019-08-27 |
| Restrained Gasket For Plastic Pipes App 20190162342 - Copeland; Daniel A. ; et al. | 2019-05-30 |
| Restrained gasket Grant D846,095 - Copeland , et al. | 2019-04-16 |
| Gasket locking segment having single spigot tooth Grant D840,515 - Copeland , et al. Feb | 2019-02-12 |
| Gasket locking segment having single spigot tooth Grant D834,690 - Copeland , et al. Nov | 2018-11-27 |
| Restrained Gasket For Plastic Pipes App 20170370505 - Copeland; Daniel A. ; et al. | 2017-12-28 |
| Pipe joint gasket and method of using same Grant 9,057,467 - Copeland , et al. June 16, 2 | 2015-06-16 |
| Pipe joint gasket and method of using same Grant 8,490,273 - Copeland , et al. July 23, 2 | 2013-07-23 |
| Pipe Joint Gasket and Method of Using Same App 20130043656 - Copeland; Daniel A. ; et al. | 2013-02-21 |
| Centrifugally cast ductile iron utility pole having stepped portions Grant D629,531 - Keel , et al. December 21, 2 | 2010-12-21 |
| Interconnected centrifugally cast, ductile iron utility pole members Grant D624,667 - Keel , et al. September 28, 2 | 2010-09-28 |
| Centrifugally cast ductile iron utility pole having stepped portions Grant D617,471 - Keel , et al. June 8, 2 | 2010-06-08 |
| Pair of interconnected centrifugally cast ductile iron utility pole members Grant D616,116 - Keel , et al. May 18, 2 | 2010-05-18 |
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