Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7320243 | Methods and apparatus for detection of large leaks in sealed articles | Charles Perkins | 2008-01-22 |
| 7290439 | Methods and apparatus for leak detection by the accumulation method | Charles Perkins | 2007-11-06 |
| 7204127 | Method and apparatus for large leak testing | Charles Perkins | 2007-04-17 |