Preston; Spencer
Patent Applications and Registrations
Patent applications and USPTO patent grants for Preston; Spencer.The latest application filed is for "composite polishing pad".
- Preston; Spencer - Manteca CA
- Preston; Spencer - Chandler AZ
| Patent | Date |
|---|---|
| Composite Polishing Pad App 20080155903 - Preston; Spencer | 2008-07-03 |
| Composite Polishing Pad App 20070212979 - Preston; Spencer | 2007-09-13 |
| Thick perforated polishing pad and method for making same App 20070111644 - Preston; Spencer ; et al. | 2007-05-17 |
| Polishing Pad And Method Of Making Same App 20060252358 - Preston; Spencer ; et al. | 2006-11-09 |
| Polishing Pad And Method Of Making Same App 20060035573 - Preston; Spencer ; et al. | 2006-02-16 |
| Polishing pad and method of making same Grant 6,986,705 - Preston , et al. January 17, 2 | 2006-01-17 |
| Polishing pad and method of making same App 20050218548 - Preston, Spencer ; et al. | 2005-10-06 |
| Wafer polishing method and apparatus Grant 5,498,199 - Karlsrud , et al. * March 12, 1 | 1996-03-12 |
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