Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7425035 | Gardening chair | Charlene F. Richardson, Michael A. Richardson | 2008-09-16 |
| 7178868 | Gardening chair | Charlene F. Richardson, Michael A. Richardson | 2007-02-20 |
| 6666499 | Limousine utility vehicle | Michael A. Richardson | 2003-12-23 |
| 5975607 | Limousine funeral coach | — | 1999-11-02 |
| 5813099 | Burial casket with photographic memorial marker | — | 1998-09-29 |