Did You Know...
...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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| Number | Title | Issue Date |
| 5769932 | Surface treatment material required in fusing dental porcelain which prevents deposition of coat due to antioxidant and strongly bonds metal frame and dental porcelain with each other A surface treatment material used in fusing dental porcelain, containing powder of gold terpene sulfide, is applied and sintered on a metal frame. Then, the terpene and sulfur oxidize to suppress oxidation of gold and the like. A surface treatment layer h... | 06/23/1998 |
| 5419784 | Surface treatment material for a metallic base of an artificial tooth and a surface treatment process using the surface treatment material A surface treatment material for a metallic base of an artificial tooth is made of brazing filler metal which melts at a relatively lower temperature than melting points of components of the metallic base and which comprises fine powder of non-ferrous met... | 05/30/1995 |
