Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867882 | Process for the preparation of silk-screens for use in printing half tones | William M. Karlyn, David A. Scher, Michael E. Bissel | 1999-02-09 |
| 5562030 | Process and apparatus for simultaneously preparing a plurality of silk screens | William M. Karlyn, David A. Scher, Michael E. Bissel | 1996-10-08 |