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Patent applications and USPTO patent grants for Liu; Ron.The latest application filed is for "determining variable wait time in an asynchronous call-back system based on calculated average sub-queue wait time".
Patent | Date |
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Determining variable wait time in an asynchronous call-back system based on calculated average sub-queue wait time Grant 9,973,512 - Li , et al. May 15, 2 | 2018-05-15 |
Determining Variable Wait Time In An Asynchronous Call-back System Based On Calculated Average Sub-queue Wait Time App 20160127382 - Li; Yong ;   et al. | 2016-05-05 |
Determine variable wait time in an asynchronous call-back system based on calculated average sub-queue wait time Grant 9,304,814 - Li , et al. April 5, 2 | 2016-04-05 |
Variable Wait Time In An Asynchronous Call-back System App 20140325519 - Li; Yong ;   et al. | 2014-10-30 |
Methods of making liposomes containing hydro-monobenzoporphyrin photosensitizer Grant 5,707,608 - Liu January 13, 1 | 1998-01-13 |
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