Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8555562 | Locking jack for a window well cover | Vince S. Warner | 2013-10-15 |
| 7247263 | Fire-barrier composition | Dennis Parker, Anthony W. Carignano, Robert J. Purcell | 2007-07-24 |
| 6130179 | Purified attapulgite clay | Paul Sampson, Dennis Parker | 2000-10-10 |
| 4313997 | Perlite boards and method for making same | Narikottile G. Nath | 1982-02-02 |
| 4302344 | Loose-fill, thermal insulation | N. Gokul Nath | 1981-11-24 |
| 4212755 | Settle resistant loose-fill perlite insulation comprising particles rendered slightly tacky by a coating thereon | N. Gokul Nath | 1980-07-15 |