Donald H. De Vaughn

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number D256052
- Issue date Jul 22, 1980
- Bio-Plas
- Donald H. De Vaughn
- D24 - Medical and laboratory equipment
Information Patent Grant
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- Patent number D255601
- Issue date Jun 24, 1980
- Bio-Plas
- Donald H. De Vaughn
- D24 - Medical and laboratory equipment