Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625141 | Sealed parts leak testing method and apparatus for helium spectrometer leak detection | David G. Mahoney, Jack W. Farmer, Thomas L. Pflanz, William D. Hall, Roy F. PARSONS | 1997-04-29 |