Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869148 | Process for the in-line, high speed manufacturing of magnetic products | Stanford Silverschotz, Christopher Tararuj, Armin A. Apel, George P. Hipko | 1999-02-09 |
| 5681065 | Recyclable instant scratch-off lottery ticket with improved security to prevent unauthorized detection of lottery indicia | Christopher Tararuj, Stephen E. Martin | 1997-10-28 |
| 5544881 | Erasable scratch-off lottery ticket | Stephen E. Martin | 1996-08-13 |
| 5542710 | Recyclable instant scratch off lottery ticket | Stanford Silverschotz, David M. Polunas, Stephen E. Martin | 1996-08-06 |
| 5114735 | Fragrance enhanced scratch-off layer for game cards | Carl Schaab | 1992-05-19 |
| 5000486 | Fragrance enhanced scratch-off layer for game cards | Carl Schaab | 1991-03-19 |
| 4460738 | Preparation of carboxylic acid-containing polyurethane prepolymers and aqueous dispersions thereof | Richard L. Frentzel, Anne L. Pacheco | 1984-07-17 |
| 4235975 | Bis(dimethylbenzyl)diphenylamine scorch inhibitor for polyurethane foams containing halogenated phosphate esters | Frank J. Preston, Steven T. Nakos | 1980-11-25 |