Li; Yao T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Li; Yao T..The latest application filed is for "orbital drive evaporator".
- Li; Yao T. - Lincoln MA
| Patent | Date |
|---|---|
| Orbital drive evaporator Grant 4,762,592 - Li August 9, 1 | 1988-08-09 |
| Wobble tube evaporator with whip rod fluid distributor Grant 4,618,399 - Li October 21, 1 | 1986-10-21 |
| Distillation apparatus Grant 4,441,963 - Li * April 10, 1 | 1984-04-10 |
| Cable wind mill Grant 4,303,834 - Li December 1, 1 | 1981-12-01 |
| Distillation apparatus Grant 4,230,529 - Li October 28, 1 | 1980-10-28 |
| Film-type storm window Grant 4,210,191 - Li July 1, 1 | 1980-07-01 |
| Racket and the like Grant 4,185,822 - Li January 29, 1 | 1980-01-29 |
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