Richardson; Hal
Patent Applications and Registrations
Patent applications and USPTO patent grants for Richardson; Hal.The latest application filed is for "backflow prevention for high pressure gradient systems".
- Richardson; Hal - Westborough MA
- Richardson, Hal - Gilbert AZ
| Patent | Date |
|---|---|
| Backflow prevention for high pressure gradient systems Grant 7,754,075 - Richardson , et al. July 13, 2 | 2010-07-13 |
| Backflow Prevention For High Pressure Gradient Systems App 20080251141 - Richardson; Hal ; et al. | 2008-10-16 |
| Backflow prevention for high pressure gradient systems Grant 7,396,469 - Andrews , et al. July 8, 2 | 2008-07-08 |
| Backflow prevention for high pressure gradient systems App 20050008516 - Richardson, Hal ; et al. | 2005-01-13 |
| Backflow prevention for high pressure gradient systems Grant 6,780,315 - Richardson , et al. August 24, 2 | 2004-08-24 |
| Convertible harness, and methods of use and manufacture App 20040140152 - Richardson, Hal | 2004-07-22 |
| Backflow prevention for high pressure gradient systems App 20040108273 - Richardson, Hal ; et al. | 2004-06-10 |
| NCAGE Code | 76JE5 | RICHARDSON, HAL!DBA TOPEKA VINYL |
| CAGE Code | 76JE5 | RICHARDSON, HAL TOPEKA VINYL |
| DUNS | 079487644 | Richardson, Hal |
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