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 |
| 7223730 | Antithrombosis enzyme from the snake venom of agkistrodon acutus This invention features an antithrombosis enzyme extracted and purified from the snake venom of Southern-Anhui Agkistrodon acutus and pharmaceutical uses thereof. ... | 05/29/2007 |
| 6489451 | Antithrombosis enzyme from the snake venom of agkistrodon acutus This invention features an antithrombosis enzyme extracted and purified from the snake venom of Southern-Anhui Agkistrodon acutus and pharmaceutical uses thereof.... | 12/03/2002 |
