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Patent applications and USPTO patent grants for De Vaughn; Donald H..The latest application filed is for "self-contained blood withdrawal apparatus and method".
Patent | Date |
---|---|
Self-contained blood withdrawal apparatus and method Grant 5,843,112 - De Vaughn December 1, 1 | 1998-12-01 |
Self-contained blood withdrawal apparatus and method Grant 5,662,127 - De Vaughn Sep | 1997-09-02 |
Pipetting techniques using replaceable tips Grant 4,487,081 - De Vaughn , et al. December 11, 1 | 1984-12-11 |
Pipette tip Grant D274,651 - De Vaughn July 10, 1 | 1984-07-10 |
Pipette tip Grant D256,052 - De Vaughn July 22, 1 | 1980-07-22 |
Pipette tip Grant D255,601 - De Vaughn June 24, 1 | 1980-06-24 |
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