"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7325356 | Mechanical netting device A motor-driven mechanical netting device includes a net assembly, a slide assembly, a bracket, and a mount. The slide assembly is structured to support the net assembly and includes a guide bar. The bracket is structured to support the net assembly, the slide assemb... | 02/05/2008 |
| 7238075 | Personal water activity apparatus with variable light display for protection against sharks and other water-borne predators Apparatus for protecting users of surfboards, kayaks and other personal water activity apparatus against sharks and other water-borne predators is provided. A plurality of lights is provided on the bottom and side surfaces of the personal water activity apparatus. T... | 07/03/2007 |
| 7189128 | Mimetic gear Methods and compositions which can reduce the disturbance to wild life caused when man attempts to interact with wild life and more particularly methods and compositions which can enhance the interaction of man with aquatic life with minimal disturbance to the aquat... | 03/13/2007 |
| 7052341 | Method and apparatus for controlling a propulsive force of a marine vessel A propulsive force controlling apparatus controls a propulsion system attached to a hull of a marine vessel. The propulsion system includes a motor, a propulsive force generating member which receives a torque from the motor to generate a propulsive force, a clutch ... | 05/30/2006 |
| 4494245 | Techniques for repelling predatory animals by the use of aposematic patterns and coloration A method for repelling predatory animals by the use of aposematic patterns and colorations is disclosed. A man (10) if isolated, alone, or injured in marine or ocean waters (24) is substantially at the mercy of numerous predatory organisms that live and t... | 01/22/1985 |
| 4394124 | Flotation life support device A flotation life support device in which a buoyant ring is hinged to form an opening permitting entry of an occupant and in which an underwater bag depends from the ring and has an opening in alignment with the opening in the ring permitting easy entry to... | 07/19/1983 |
| 4223415 | Waterborne life-saving apparatus An apparatus according to the above title comprising a buoyant raft spacedly surrounded by and connected to a buoyant ring from the periphery of which depends a water-containable bag forming a shark screen about the raft, and additionally such raft in whi... | 09/23/1980 |
| 4166462 | Self-propelled shark-proof cage The invention relates to a self-propelled shark-proof cage which is provided with at least one access opening and a propeller mounting frame having pivot means coupling it to the cage so that the propeller mounting frame is pivotal about two axes at right... | 09/04/1979 |
| 3986220 | Shark screen An improved shark screen reduces the possibility of a survivor of a shipwreck or air disaster from being attacked by sharks. A thin film bag is vacuum packed and stored in a cigarette package sized container. After it is unfolded and filled with water, th... | 10/19/1976 |