Roulston; John S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roulston; John S..The latest application filed is for "mineral ore expansion using microwave energy".
- Roulston; John S. - Lompoc CA
| Patent | Date |
|---|---|
| Mineral Ore Expansion Using Microwave Energy App 20100107931 - Roulston; John S. | 2010-05-06 |
| Unexpanded perlite ore polishing composition and methods Grant 7,303,600 - Roulston , et al. December 4, 2 | 2007-12-04 |
| Perlite products with controlled particle size distribution App 20040099184 - Palm, Scott K. ; et al. | 2004-05-27 |
| Perlite products with controlled particle size distribution Grant 6,712,898 - Palm , et al. March 30, 2 | 2004-03-30 |
| Filterable composite adsorbents Grant 6,712,974 - Palm , et al. March 30, 2 | 2004-03-30 |
| Filterable composite adsorbents App 20040055957 - Palm, Scott K. ; et al. | 2004-03-25 |
| Unexpanded perlite ore polishing composition and methods App 20030224702 - Roulston, John S. ; et al. | 2003-12-04 |
| Unexpanded perlite ore polishing composition and methods App 20030203337 - Roulston, John S. ; et al. | 2003-10-30 |
| Perlite products with controlled particle size distribution App 20030127022 - Palm, Scott K. ; et al. | 2003-07-10 |
| Advanced composite media Grant 6,524,489 - Palm , et al. February 25, 2 | 2003-02-25 |
| Perlite products with controlled particle size distribution Grant 6,464,770 - Palm , et al. October 15, 2 | 2002-10-15 |
| Method of mechanically separating microparticles suspended in fluids using particulate media Grant 6,140,040 - Palm , et al. October 31, 2 | 2000-10-31 |
| Advanced composite filtration media Grant 5,776,353 - Palm , et al. July 7, 1 | 1998-07-07 |
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