Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867882 | Process for the preparation of silk-screens for use in printing half tones | William M. Karlyn, Robert E. Wesinger, Michael E. Bissel | 1999-02-09 |
| 5842413 | Method for providing the mesh of a silk screen at an angle for minimizing moire | William M. Karlyn | 1998-12-01 |
| 5752441 | Method of manufacturing a plurality of annular shaped silk screen members | William M. Karlyn | 1998-05-19 |
| 5740732 | Apparatus for simultaneously manufacturing multiple annular shaped screen frames | William M. Karlyn | 1998-04-21 |
| 5732624 | Annular shaped silk screen member for silk screen printing halftones | William M. Karlyn | 1998-03-31 |
| 5562030 | Process and apparatus for simultaneously preparing a plurality of silk screens | William M. Karlyn, Robert E. Wesinger, Michael E. Bissel | 1996-10-08 |