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 |
| 7066995 | Compositions and films comprised of avian feather keratin A composition suitable for making films, wherein the composition contains keratin obtained from avian feathers and at least one OH containing plasticizer. Protein-based films containing at least one protein and at least one OH containing plasticizer, wherein the pro... | 06/27/2006 |
| 5917112 | Mineral vegetation substrate process for the (Re)cultivation of soils and use The invention relates to a mineral vegetation substrate for agricultural or forestry use. The problem with prior art soil substrates based on recycled materials is that the usable field capacity is often insufficient or sufficient only with special additi... | 06/29/1999 |
| 5404671 | Sod A novel multi-layer sod and the method for making said sod is disclosed. The sod contains recycled waste products including pieces of carpet and compost.... | 04/11/1995 |
| 5396731 | Mulch pads and methods A mulch pad in preformed or pourable state comprises a mixture of rubber granules, buffings, and fibers ground from used tires, a curable binder and coloring, catalyst and anti-gloss agents. Also, a U.V. light stabilizer and anti-oxidants can be added to ... | 03/14/1995 |
| 5383744 | Subirrigation system and method An underground agricultural irrigation system in which annular semi-cylindrical or concave-convex water reservoirs, formed by splitting used or abandoned vehicle tire casings in half, are buried concave side up at appropriate subsurface depths to trap and... | 01/24/1995 |
| 5361535 | Plant protection device Plants during an initial growth period are protected by a plurality of plastics drinks bottles arranged in a pattern surrounding an area in which the plant is growing. The drinks bottles are engaged by a locating device in the form of a flat sheet with a ... | 11/08/1994 |
| 5095651 | Multiple purpose receptacle A worn vehicle tire is formed into a multi-purpose receptacle. A section of the tire is formed by first slicing the tire along the circumferential axis thereof and then making two transverse cuts. The opposed free ends of this piece are joined by metal st... | 03/17/1992 |
| 5050342 | Multi-purpose receptacle A multi-purpose receptacle of the type utilizing discarded pneumatic tire of a motor vehicle is disclosed. This receptacle comprises an annular body defining an upper tread portion, a sidewall converging downwardly from said upper tread portion, a support... | 09/24/1991 |
| 5020936 | Animal running surface An animal running surface composition and optimization technique is described. The surface provides a firm in-place foundation layer above which is spread a surface layer. The surface layer intermixes earthen material and rubber particles which may be siz... | 06/04/1991 |
| 5014462 | Soil amendment with rubber particles Soil amendment techniques are described utilizing solid rubber particles to be mixed with soil to improve porosity and reduce compaction. The rubber particles are preferably derived from shredded scrap tires. The size of the rubber particles may vary, and... | 05/14/1991 |
| 4932157 | Tree surround A tree surround which is provided to confine shredded or bark material at the base of a tree for the purpose of retaining moisture and likewise prevent the growth of weeds thereby maintaining neat appearance of the tree area, the surround being made from ... | 06/12/1990 |
| 4931329 | Enclosure forming adaptors and related apparatus The invention includes a variety of adaptors for forming enclosures and other apparatus from sectioned integral containers. Each adaptor described includes suitable means such as a channel structure for attaching the adaptor to the sectioned open end of a... | 06/05/1990 |
| 4801217 | Construction mat formed from discarded tire beads and method for its use A mat construction usable in the construction, mining and the like industries wherein tire beads from used tires are tied together into an array with the use of strips of used tire casing. The mat can be used as an underlayment for roadways built over uns... | 01/31/1989 |
| 4637942 | Synthetic grass playing field surface A playing field surface for active running and body contact type sports, such as football and the like, is formed of a stabilized, flat base surface covered by an underpad, over which is laid a synthetic pile fiber carpet. A covering of sand-like granules... | 01/20/1987 |
| 4495723 | Method of preventing frost damage of vegetation A method of maintaining vegetation above frost damage levels in which the roots, stems, trunks or foliage of the vegetation is surrounded by a phase change material having a melting point in excess of the frost damage level, which phase change material is... | 01/29/1985 |
| 4396653 | Simulated grass playing field surface with rubber particle layer and sand layer A playing field surface is formed of a synthetic fiber carpet, having generally upright pile fibers, upon which is applied a particulate covering. The covering is formed of a lower layer of resilient, rubber-like particles such as crumb rubber, and an upp... | 08/02/1983 |
| 4248209 | Coupled toroidal solar collector A solar collector is formed by a stack of vehicular tires for absorbing solar radiant energy. A series of conduits intercepting the upper and lower sidewall of each tire at locations spaced about 180 degrees apart couple together the hollow interiors of t... | 02/03/1981 |
| 4166340 | Pot lining method with reclaimed tire fibers A method of potting plants to optimize the environmental growth conditions thereof, and a combination that results from the practice of the method. A plurality of loose fibers comprising the fiber fraction from the break up of used tires which fiber fract... | 09/04/1979 |
