Leighton; Francis
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leighton; Francis.The latest application filed is for "safe high pressure instrument valve".
- Leighton; Francis - Woodland Hills CA
| Patent | Date |
|---|---|
| Safe high pressure instrument valve Grant 4,623,120 - Leighton , et al. * November 18, 1 | 1986-11-18 |
| Fluid controller with diaphragm and piston Grant 4,424,738 - Leighton January 10, 1 | 1984-01-10 |
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