Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8091201 | Stamped tubular member and method and apparatus for making same | Douglas M. Johnson, Robert L Middleton, Sr., Robert Leroy Middleton, Jr., John A. Nobel | 2012-01-10 |
| 7866200 | Bed pin channel | Gregory J. Winer, Douglas M. Johnson | 2011-01-11 |