Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4714606 | Method of staining and identifying cells and compositions thereof This invention is directed to the cytology of blood, bone marrow and lymph node cells and the method of differentiating, identifying and enumerating said cells among a plurality of cells of hematopoietic origin. More specifically, the invention is directe... | 12/22/1987 |
