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 |
| 4673910 | Moisture sensitive element containing high temperature decomposition residue of organo-silicon polymer as sensitive element A moisture sensitive element having on an insulating substrate a moisture sensitive section that changes its electrical resistance according to the humidity of atmosphere. The moisture sensitive section is prepared by mixing a polymerized organic silicon ... | 06/16/1987 |
| 4621249 | Moisture sensitive element A moisture sensitive element having on an insulating substrate a moisture sensitive section that changes its electrical resistance according to the humidity of atmosphere. The moisture sensitive section is prepared by mixing a polymerized organic silicon ... | 11/04/1986 |
| 4607721 | Muffler for exhaust gas from an internal combustion engine A muffler of the absorption type for the exhaust gas of an internal combustion engine including a cylindrical porous sound-absorbing body 1, and a film 5 of the metal or other material formed cylindrically on the inner surface of the porous body 1. The fi... | 08/26/1986 |
| 4523662 | Muffler for exhaust gas from an internal combustion engine A muffler of the absorption type for the exhaust gas of an internal combustion engine including a cylindrical porous sound-absorbing body 1, and a film 5 of a metal or other material formed cylindrically on the inner surface of the porous body 1. The film... | 06/18/1985 |
