...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 |
| 5404809 | Nut shelling apparatus A nut shelling apparatus including a back plate having a first roughened surface on one side, a rocker plate rotatably connected to the back plate and having a second roughened surface on a side adjacent the first roughened surface of the back plate, and ... | 04/11/1995 |
| 4574691 | Nutcracker A nutcracker, comprising a tubular anvil with an annular end wall having a series of axial projections and recesses, for receiving an end portion of a nut thereagainst, a blade-like member with a narrow blade-like edge facing the anvil for engagement with... | 03/11/1986 |
| 4525370 | Water type blancher A deluge water type vegetable blancher is disclosed which comprises an elongated tank, a conveyor above the tank to carry vegetables longitudinally of the tank, a flood/deluge system adapted to water blanch the vegetables upon the conveyor, drain lines in... | 06/25/1985 |
| 4438688 | Nutcracker An inclined chute is attachable to a support by means of a base including a clamping arrangement. An inclined base portion supports said chute and also a pair of bearing posts. A drum disposed within the chute is journaled within the bearing posts. Adjust... | 03/27/1984 |
| 4383479 | Coconut husk removing tool A device for forcefully removing husks from coconuts provided with a pair of hingedly connected wedge blades adapted to be inserted into the coconut husk. One blade is stationary and the other blade has a handle to enable it to be rocked for prying the hu... | 05/17/1983 |
| 4218968 | Nut cracking machine A nut cracking machine including a pair of spaced apart cracking plates having confronting cracking faces provided with cracking means thereon, the cracking faces and cracking means thereof being disposed to distribute cracking forces substantially tangen... | 08/26/1980 |
| 4200042 | Nut cracker First and second levers are pivotally connected together at one end and have opposed portions provided with one or more cross grooves for receiving nuts to be cracked. These grooves have varying depth from one end to the other and also have varying width,... | 04/29/1980 |
| 4135442 | Nut cracking machine A nut cracking machine particularly for cracking pecans enables faster and more reliable nut cracking with fewer machine adjustments and longer machine life. Air spring activation of the hammer mechanism and a cam operated hammer cocking and release mecha... | 01/23/1979 |