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| | "Down But Not Out," Feature Article, October 2004 |
 | | At times, his applications were given restrictions by the patent examiner, which meant that the application contained claims to more than one invention and therefore must be divided up in multiple patents. |
 | | The patent had been decades in prosecution because of delays caused by restrictions, continuations, and interference proceedings (which are essentially interparty contests within the patent office between patent applicants to determine the first inventor of a claimed invention). |
 | | The patent shows a filing date of Dec. 31, 1990, but in the "related applications" section, there are 20 other Lemelson applications, dating back as far as July 1954, of which this is a continuation-in-part. |
| www.memagazine.org /contents/current/features/downbut/downbut.html (2120 words) |
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