Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155525 | Method of exposing sensitized graphic art film and paper | Robert S. Jones | 1992-10-13 |
| 4965621 | Compact light collimator for a scanning contact printer | Robert S. Jones | 1990-10-23 |
| 4962405 | Compact contact printer with a flexible transparent cover sheet | Robert S. Jones | 1990-10-09 |
| 4952973 | Removable cover sheet roll for a contact printer | Robert S. Jones | 1990-08-28 |
| 4949122 | Contact printer for exposing sensitized graphic art film and paper | Robert S. Jones | 1990-08-14 |
| 4942426 | Cover sheet cleaning means for a contact printer | Robert S. Jones | 1990-07-17 |
| 4792593 | Novel acrylamide acrylate copolymers | Donald N. Schulz, Enock Berluche, Jan Bock | 1988-12-20 |
| 4663408 | Tetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic acid/N-alkyl acrylamide | Donald N. Schulz, Enock Berluche, Jan Bock | 1987-05-05 |
| 4579926 | Process for the formation of novel acrylamide acrylate copolymers | Donald N. Schulz, Jan Bock | 1986-04-01 |
| 4546784 | Drag reduction agent | Donald N. Schulz, Ralph M. Kowalik, Jan Bock | 1985-10-15 |
| 4463151 | Process for the formation of novel acrylamide acrylate copolymers | Donald N. Schulz, Jan Bock | 1984-07-31 |
| 4463152 | Acrylamide acrylate copolymers | Donald N. Schulz, Jan Bock | 1984-07-31 |