U.S. patents available from 1976 to present.
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...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."

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Class 298/4 - SLEDS


Subclass of Class 298 - Land vehicles: dumping
Definition: Supported on runners.
No. of patents: 1
Last issue date: 05/30/1978


NumberTitleIssue Date
4091601Work table
A work table designed to be used to facilitate the removal of objects, preferably tobacco stalks, supported on sticks or other elongated elements by single or by several workers....
05/30/1978
 
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