Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690775 | Apparatus for heat sealing paperboard substrates using a uniform energy distributed light energy beam | Barry G. Calvert | 1997-11-25 |
| 5643388 | Process of making paperboard carrier for static cling vinyl products | — | 1997-07-01 |
| 5597447 | Blade-coated paper having a paper lamina produced from a furnish comprising recycled corrugated containers | Mark A. Hank, Leo Thomas Mulcahy, Robert C. Streisel | 1997-01-28 |