Leonard; Ronald James
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leonard; Ronald James.The latest application filed is for "variable capacity reservoir assembly".
- Leonard; Ronald James - Harvard IL
- Leonard; Ronald James - Elk Grove Village IL
| Patent | Date |
|---|---|
| Variable capacity reservoir assembly Grant 4,026,669 - Leonard , et al. May 31, 1 | 1977-05-31 |
| Oxygen overpressure protection system for membrane-type blood oxygenators Grant 3,927,980 - Leonard December 23, 1 | 1975-12-23 |
| Multi-layer Membrane Type Mass Transfer Device And Process Grant 3,862,031 - Leonard January 21, 1 | 1975-01-21 |
| Multi-layer Membrane Type Mass Transfer Device And Process Grant 3,757,955 - Leonard September 11, 1 | 1973-09-11 |
| Heat Exchange Device With Convoluted Heat Transfer Wall Grant 3,640,340 - Leonard , et al. February 8, 1 | 1972-02-08 |
| Parallel Membranous Layer Type Fluid Diffusion Cell Grant 3,612,281 - Leonard October 12, 1 | 1971-10-12 |
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