Williams; Roger D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Williams; Roger D..The latest application filed is for "flow restrictor system".
- Williams; Roger D. - Kingwood TX
- Williams; Roger D. - Wake Forest NC
- Williams; Roger D. - Middleton ID
- Williams; Roger D. - Dallas NC
- Williams; Roger D. - Charlotte NC
| Patent | Date |
|---|---|
| Flow restrictor system Grant 10,450,815 - Gardner , et al. Oc | 2019-10-22 |
| Flow Restrictor System App 20180142531 - Gardner; Laura M. ; et al. | 2018-05-24 |
| Portable interconnection system for incompatible audio communication networks Grant 7,436,951 - Pflasterer , et al. October 14, 2 | 2008-10-14 |
| Portable interconnection system for incompatible audio communication networks App 20050195969 - Pflasterer, Peter W. ; et al. | 2005-09-08 |
| Communications cable and method for making same Grant 6,844,500 - Williams , et al. January 18, 2 | 2005-01-18 |
| Communications cable and method for making same App 20030132022 - Williams, Roger D. ; et al. | 2003-07-17 |
| Self-cleaning belt filter with edge sealing means and method Grant 5,906,752 - Williams May 25, 1 | 1999-05-25 |
| Dust collector with two stage self-cleaning of filter elements Grant 5,584,913 - Williams December 17, 1 | 1996-12-17 |
| Pleated belt filter with suction means to remove debris Grant 5,560,835 - Williams October 1, 1 | 1996-10-01 |
| Filter media construction Grant 5,346,519 - Williams September 13, 1 | 1994-09-13 |
| Dust collection with programmable cleaning air control Grant 5,116,395 - Williams May 26, 1 | 1992-05-26 |
| Dust collector with re-entrainment prevention walls Grant 5,110,331 - Williams May 5, 1 | 1992-05-05 |
| Snap-in filter unit Grant 5,061,303 - Williams , et al. October 29, 1 | 1991-10-29 |
| Dust collector with pneumatic seal Grant 5,000,767 - Sanders , et al. March 19, 1 | 1991-03-19 |
| Self-cleaning filter Grant 4,725,292 - Williams February 16, 1 | 1988-02-16 |
| SEC | 0001191758 | WILLIAMS ROGER D |
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