...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 |
| 7232096 | Positive lock seat device An improved seating apparatus for an aircraft comprising: a seat assembly and a positive lock device for securing the seat assembly to the aircraft. In the preferred embodiment, the positive lock device comprises: an adjustable force applicator for selectively apply... | 06/19/2007 |
| 7069605 | Cabinet-crib combination apparatus Disclosed are apparatus for a cabinet-crib combination. In one embodiment, a combination apparatus comprising a housing structure, a crib railing structure, and a mattress tray. The crib railing structure includes a front railing, a left railing, and a right railing... | 07/04/2006 |
| 6926119 | Folding steps A climbing aid for assisting people to move up or down to different levels has steps that can be folded into attached integral handrails that circumscribe the steps when folded so that no parts extend outside of the boundaries of the handrails. ... | 08/09/2005 |
| 6848740 | Collapsible chair A collapsible chair. The chair includes a chair frame having two spaced leg structures and a top ring mounted to and supported on the leg structures. Each leg structure includes a top bar and front and rear side bars depending from the top bar to form a substantiall... | 02/01/2005 |
| 6081942 | Portable, foldable toilet apparatus for attachment to tree trunks A portable, foldable toilet apparatus for attaching to a tree trunk, and including a tree trunk gripping frame section and a pair of longitudinal seat members pivotally connected to the gripping frame section for pivotal movement from a folded position wi... | 07/04/2000 |
| 5957349 | Luggage with seat A combination article of luggage seat unit is disclosed, in which the seat unit may be completely separated from the luggage when it is desired to use the seat and when in its storage condition is compactly contained within an auxiliary compartment of the... | 09/28/1999 |
| 5779112 | Back pack with seat A backpack provided in combination with a seat unit in which the seat unit may be completely separated from the back pack when it is desired to use the seat unit and when in its storage condition is compactly contained within an auxiliary compartment of t... | 07/14/1998 |
| 4955973 | Convertible bench seat for vans A convertible bench seat or bed for vans and other vehicles constructed and arranged to be readily mounted between a storage position and an operative position without displacing the bench seat. The bench seat of this invention is pivoted about a first ve... | 09/11/1990 |
| 4740030 | Jump seat assembly and seat with improved safety belt array The improved assembly includes a jump seat with a raised back portion and a seat portion hinged thereto and spring raised automatic movement from a horizontal operative position to a raised stored position. The seat back portion holds such spring and is h... | 04/26/1988 |
| 4065142 | Child seat for cart This child seat comprises a plastic seat panel and a plastic leg opening cover, both of which are pivotally mounted on a transverse support wire, that itself is slidably mounted upon the rear panel of the cart. The forward edge of the seat panel interlock... | 12/27/1977 |