Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10011134 | Chemical etched two dimensional matrix symbols and method and process for making same | Ronnie Dwaine Phelps, Preston Cray Smith | 2018-07-03 |
| 8540285 | Chemical etched two dimensional matrix symbols and method and process for making same | — | 2013-09-24 |