Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669251 | Liquid carbon dioxide dry cleaning system having a hydraulically powered basket | Edna M. Purer | 1997-09-23 |
| 5651276 | Dry-cleaning of garments using gas-jet agitation | Edna M. Purer, Angela Y. Wilkerson, Sidney C. Chao | 1997-07-29 |