Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D382739 | Top portion of a spring core | — | 1997-08-26 |
| D382742 | Top portion of a spring core | — | 1997-08-26 |
| D382743 | Top portion of a spring core | — | 1997-08-26 |
| D382152 | Top portion of a spring core | — | 1997-08-12 |
| D382154 | Top portion of a spring core | — | 1997-08-12 |
| 5613900 | Cleaning and descaling apparatus | — | 1997-03-25 |