Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D830858 | Timer | David M. Rogers | 2018-10-16 |
| D796349 | Timer cover | David M. Rogers, Tricia L. Wright | 2017-09-05 |
| D785471 | Modular timer and cover | David M. Rogers, Tricia L. Wright | 2017-05-02 |
| D770310 | Modular timer cover | David M. Rogers, Tricia L. Wright | 2016-11-01 |
| D744365 | Watch face | — | 2015-12-01 |
| D720638 | Watch face | — | 2015-01-06 |
| D705089 | Timer | David M. Rogers, Tricia L. Wright | 2014-05-20 |
| D671016 | Device for showing elapsed time | David M. Rogers, Tricia L. Wright | 2012-11-20 |
| 7830752 | Elapsed time device | — | 2010-11-09 |
| 7773464 | Elapsed time device | — | 2010-08-10 |
| D590735 | Face of time display device | — | 2009-04-21 |
| 5662479 | Apparatus and method to aid in the teaching of the concept of time | — | 1997-09-02 |
| D369619 | Elapsed time teaching aid | — | 1996-05-07 |