Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033650 | Multiple barrel dispensing device | Edward R. Spehar, Bernard F. Harkins | 1991-07-23 |
| 4995540 | Unit dosage dispenser for dental impression materials | Edward R. Spehar | 1991-02-26 |
| 4969747 | Reverse flow dispensing mixer | Edward R. Spehar, Bernard F. Harkins | 1990-11-13 |
| 4836969 | Method of casting a structure from cementitious | Vincent A. Pardiso | 1989-06-06 |
| 4773934 | Cementatious admixture | — | 1988-09-27 |
| 4762563 | Thixotropic cement base paint composition and method | — | 1988-08-09 |
| 4753536 | Dispensing mixer for the storage and mixing of separate materials | Edward R. Spehar, Bernard F. Harkins | 1988-06-28 |
| 4666521 | Cementatious admixtures and method | — | 1987-05-19 |
| 4631847 | Encapsulated art | — | 1986-12-30 |