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Patent applications and USPTO patent grants for DuBois; Richard.The latest application filed is for "fluorescent indicator and method of making same".
Patent | Date |
---|---|
Fluorescent indicator and method of making same Grant 4,259,613 - DuBois March 31, 1 | 1981-03-31 |
Vacuum fluorescent indicator Grant 4,206,404 - DuBois June 3, 1 | 1980-06-03 |
Glass-to-glass sealing method with conductive layer Grant 4,206,382 - DuBois June 3, 1 | 1980-06-03 |
Method of forming carbon anodes in multidigit fluorescent display devices Grant 4,196,227 - DuBois , et al. April 1, 1 | 1980-04-01 |
Vacuum fluorescent display having uniform character brightness Grant 4,142,126 - DuBois February 27, 1 | 1979-02-27 |
Vacuum fluorescent display device with circular polarizer Grant 4,100,455 - DuBois July 11, 1 | 1978-07-11 |
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