Hope; Mark Christopher
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hope; Mark Christopher.The latest application filed is for "trap device".
- Hope; Mark Christopher - Croydon N/A GB
- Hope; Mark Christopher - Surrey GB
| Patent | Date |
|---|---|
| Dry pumps Grant 8,398,376 - Hope March 19, 2 | 2013-03-19 |
| Rotary piston vacuum pump with washing installation Grant 7,819,646 - Hope , et al. October 26, 2 | 2010-10-26 |
| Trap Device App 20090211210 - Engerran; David ; et al. | 2009-08-27 |
| Rotary piston vacuum pump with washing installation App 20060120909 - Hope; Mark Christopher ; et al. | 2006-06-08 |
| Dry pumps App 20060099083 - Hope; Mark Christopher | 2006-05-11 |
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