"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 4343567 | Self-erecting roadway marking post A metal anchor tube is driven into the ground or blacktop and defines a cavity which receives the lower end portion of an elongated cylindrical flexible marking tube extruded from a resilient plastics material. The upper end portion of the marking tube su... | 08/10/1982 |
| 4316554 | Aerial marker launcher An aerial marker launcher for dropping markers from an aircraft to the ground to form a readily visible indication of the path of the aircraft. The launcher includes a container mounted on the wing of an aircraft, the container configured to hold a stack ... | 02/23/1982 |
| 4300469 | Drop marker This invention is directed for a marker which can be dropped from an airplane so that the pilot of an airplane can see the marker on the ground and know, when he is in the airplane, where the airplane has flown for spraying fertilizer, insecticides, herbi... | 11/17/1981 |
| 4275535 | Construction survey lath-stake base A base member having apertures formed therethrough for accommodating a lath and a stake employed for locating lines, grades and distance in construction survey, the base member also having a bore for accommodating a spike for securing the base to hard or ... | 06/30/1981 |
| 4270482 | Drop marker A marker, designed to be dropped from an airplane to indicate its flight path along a ground area, includes an elongated streamer having first and second base members fixed to its respective ends. The streamer has transverse pleats folded accordian-style,... | 06/02/1981 |
| 4265195 | Markers for electric fences A marker for an electric fence to warn persons of a long span of bare wire is preferably fabricated from insulating plastic that is stiffly elastic. A groove across a face of a piece of the plastic is somewhat deeper than the diameter of the wire to which... | 05/05/1981 |
| 4261284 | Sea hunt system A search apparatus is provided for an aircraft. The search apparatus includes a transparent observation chamber and a plurality of bulkheads which divide the chamber into at least two compartments. A cradle is mounted within each compartment for supportin... | 04/14/1981 |
| 4261283 | Drop marker This invention is directed to a marker which can be dropped from an aircraft, such as an airplane or a helicopter, so that the pilot of an airplane can see the marker on the ground or on the growing plants and trees, and know, when he is in the aircraft, ... | 04/14/1981 |
| 4227399 | Apparatus for contacting samples with water vapors Apparatus for contacting various samples with water vapors has a vessel which is sealable by a removable cover and contains an insert above a supply of liquid electrolyte. The insert has an annulus of sockets for containers each of which confines a differ... | 10/14/1980 |
| 4224894 | Device for indicating a symbol representing the location of a parking place The device comprises a casing in the form of a circular ring having two conically converging outer surfaces provided with symbols and two identical circular discs inserted in the casing and provided each with an arrow. The discs which lie in parallel plan... | 09/30/1980 |
| 4182171 | Navigation device for aircraft navigation An aircraft navigation display which allows a pilot to easily envision his position, heading, wind drift and direction of travel relative to one or more radio stations. The presentation allows the pilot to quickly and easily understand and interpret the v... | 01/08/1980 |
| 4180010 | Mount for vehicular warning lights Disclosed is a mount for warning lights as generally attached to the tops of vehicles. This mount provides means of holding lights on two horizontal arms on the top of the vehicle but by the rotation of the arms to a vertical position the elevation and he... | 12/25/1979 |
| 4067199 | Method and apparatus of launching floats to lighten underwater conduits To enable the release and consequent recovery of a support float which supports a load, e.g. a pipe, as it is lowered to the sea bed, a marker buoy is lowered with the float to be released when the load reaches the sea bed, the marker buoy having an infla... | 01/10/1978 |
| 4053233 | Retroreflectors A system is disclosed for detecting, locating and monitoring floating objects and other subject matter at sea on another body of water or in other location of difficult access. A floating unit contains several retroreflecting elements and is placed at a l... | 10/11/1977 |
| 4050404 | Survey marker An elongated, small diameter metal rod, sufficiently stiff to be driven into the ground, has an indicia receiving member fixed at one end. The indicia member consists of two pliable sheets, each having adhesive on one side, bonded to each other and to the... | 09/27/1977 |
| 4047798 | Emergency signalling device This disclosure pertains to a signalling device which is magnetically temporarily secured to an exterior surface of a motor vehicle. When in use, two end elements are disposed in parallel spaced apart relationship by a plurality of interconnected linkage ... | 09/13/1977 |
| 4038552 | Luminous safety device A safety device consists essentially of at least one octagonal plate which is provided on the opposed faces thereof with a luminous or light-reflective material. Each such plate is given connecting means cooperable to detachably secure the device to a sel... | 07/26/1977 |
| 4035856 | Water ski safety flag A visual marker means for attachment to the floatation gear of a water skier to enable the skier to be more readily detected when down in the water. The marker means includes a staff having a flag member secured to the upper end thereof, and attachment me... | 07/19/1977 |
| 4026236 | Water ski locating device A device for signaling the location of a floating water ski. A mounting means attaches to the ski edge and has a flexible mast extending in both the upwardly and downwardly vertical direction of the mounting means when attached. To the end of each section... | 05/31/1977 |
| 3991475 | Depth selecting spool device A spool wherein line pay out is limited to a selected length by a pin that s retractable from one or more loops previously formed in the line and extending through a spool flange opening. A detented thumb wheel is eccentrically connected to the pin for ret... | 11/16/1976 |
| 3973513 | Drop marker This invention is directed to a marker which can be dropped from an airplane so that the pilot of an airplane can see the marker on the ground and know, when he is in the airplane, where the airplane has flown for spraying fertilizer, insecticides, herbic... | 08/10/1976 |
| 3952694 | Marine signalling device A signalling device for indicating the position of a boat or person in the water comprising a bouyant member adapted to be attached to the boat or person and being of a color contrasting with that of the sea, characterized in that the buoyant member is fo... | 04/27/1976 |
| 3938465 | Signal device A signal device combining a fluorescent or phosphorescent light tube and a slip on holder and which is designed to be thrown or dropped from a vehicle as a warning marker. The light tube is preferably of the chemically actuated type and the holder prefera... | 02/17/1976 |
| 3934539 | Chemiluminescent foldable signal device A signal device combining a fluorescent or phosphorescent light tube and a ovel base to be thrown or dropped from a vehicle as a warning marker. The light tube may be of the chemically actuated type and the base preferably has four pivotally attached resil... | 01/27/1976 |
| 3933117 | Vehicle distress warning device A distress warning device intended for use on vehicles and the like and including a suction cup base with a telescopic mast affixed thereto and projecting upwardly therefrom and terminating in a hollow elongated cylindrically shaped ball member having hem... | 01/20/1976 |
| 3933118 | Chemiluminescent signal device A signal device combining a fluorescent or phosphorescent light tube and a eighted base designed to be thrown or dropped from a vehicle as a warning marker. The light tube is preferably of the chemically actuated type and the base preferably has four resil... | 01/20/1976 |