| 11112043 |
Restrained gasket for plastic pipes |
Daniel A. Copeland |
2021-09-07 |
| 10663095 |
Restrained gasket for plastic pipes |
Daniel A. Copeland |
2020-05-26 |
| 10619779 |
Restrained gasket for plastic pipes |
Daniel A. Copeland |
2020-04-14 |
| D857859 |
Restrained gasket |
Daniel A. Copeland |
2019-08-27 |
| D846095 |
Restrained gasket |
Daniel A. Copeland |
2019-04-16 |
| D840515 |
Gasket locking segment having single spigot tooth |
Daniel A. Copeland |
2019-02-12 |
| D834690 |
Gasket locking segment having single spigot tooth |
Daniel A. Copeland |
2018-11-27 |
| 9057467 |
Pipe joint gasket and method of using same |
Daniel A. Copeland |
2015-06-16 |
| 8490273 |
Pipe joint gasket and method of using same |
Daniel A. Copeland |
2013-07-23 |
| 8302368 |
Interconnectable utility pole members |
— |
2012-11-06 |
| D629531 |
Centrifugally cast ductile iron utility pole having stepped portions |
Joseph F. Carter, Keith W. Mallett, Steven G. Meisel |
2010-12-21 |
| D624667 |
Interconnected centrifugally cast, ductile iron utility pole members |
Joseph F. Carter, Keith W. Mallett, Steven G. Meisei |
2010-09-28 |
| D617471 |
Centrifugally cast ductile iron utility pole having stepped portions |
Joseph F. Carter, Keith W. Mallett, Steven G. Meisel |
2010-06-08 |
| D616116 |
Pair of interconnected centrifugally cast ductile iron utility pole members |
Joseph F. Carter, Keith W. Mallett, Steven G. Meisel |
2010-05-18 |