Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235533 | Method of determining the composition of clay deposit | Semeon Tsipursky, Don Eisenhour, Gary W. Beall, Mark Clarey | 2001-05-22 |
| 6050509 | Method of manufacturing polymer-grade clay for use in nanocomposites | Mark Clarey, Semeon Tsipursky, Gary W. Beall, Don Eisenhour | 2000-04-18 |
| 5643200 | Device and method for backflushing an irrigation-aspiration handpiece tip | — | 1997-07-01 |
| 4836381 | Patterned art apparatus and method | Richard C. Singerman, Jr. | 1989-06-06 |