Griffis; Steven C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Griffis; Steven C..The latest application filed is for "method for casting friable asbestos-containing material into a non-friable mass".
- Griffis; Steven C. - Council Bluffs IA
- Griffis; Steven C. - Council Bluff IA
| Patent | Date |
|---|---|
| Method for casting friable asbestos-containing material into a non-friable mass Grant 5,032,328 - Griffis July 16, 1 | 1991-07-16 |
| Apparatus for transporting a person from a contaminated area to a decontamination facility Grant 4,964,899 - Griffis October 23, 1 | 1990-10-23 |
| Portable isolation enclosure Grant 4,883,512 - Griffis November 28, 1 | 1989-11-28 |
| Multiple location negative air pressure monitor Grant 4,865,634 - Griffis September 12, 1 | 1989-09-12 |
| Apparatus for sampling hazardous materials Grant 4,860,599 - Griffis August 29, 1 | 1989-08-29 |
| Apparatus for dampening hazardous material Grant 4,826,514 - Griffis May 2, 1 | 1989-05-02 |
| Self-contained air monitoring unit with agitated air capability Grant 4,813,984 - Griffis March 21, 1 | 1989-03-21 |
| Remote control for an air filtration system Grant 4,793,836 - Griffis * December 27, 1 | 1988-12-27 |
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