Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588812 | Enhanced tamper indicator | Roger G. Johnston | 2003-07-08 |
| 6553930 | Tamper-indicating device having a glass body | Roger G. Johnston | 2003-04-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588812 | Enhanced tamper indicator | Roger G. Johnston | 2003-07-08 |
| 6553930 | Tamper-indicating device having a glass body | Roger G. Johnston | 2003-04-29 |