Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5420203 | Process for producing high diblock content block copolymer compositions | Steven H. Dillman, David J. St. Clair, Michael J. Modic | 1995-05-30 |
| 5308676 | Torchable roll roofing membrane | Richard Gelles, Dennis W. Gilmore | 1994-05-03 |
| H1250 | Modification of asphalt | Dennis W. Gilmore, Anne R. Spell, Richard Gelles, James H. Collins, Mark G. Bouldin | 1993-11-02 |
| H1141 | Asphalt-block copolymer roofing composition | Richard Gelles | 1993-02-02 |
| H982 | Method for preparing polymeric membranes in-situ and an apparatus for | Lance M. Garton | 1991-11-05 |
| 5036119 | Process for preparing bituminous composition | — | 1991-07-30 |