Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D480476 | Filter cartridge for an escape hood | James R. Betz, Susan G. Danisch | 2003-10-07 |
| 6598701 | Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same | Kenneth B. Wood | 2003-07-29 |