Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 4627763 | Vehicle barrier construction A vehicle barrier including a housing located in a pit, a barrier pivotally mounted on the housing and having a roadway surface and a barrier surface, hydraulic motors for moving the barrier from a retracted position where said roadway surface lies substa... | 12/09/1986 |
| 4615156 | Post anchor A ground anchor for channel posts has an angle iron leg driven into the ground and an upright fin plate or strip secured to the upper end thereof to stabilize the leg against tilting. The channel post straddles the angle iron leg receiving the apex of the... | 10/07/1986 |
| 4597691 | Retractable traffic delineator A traffic delineator is capable of being depressed so that its upstanding light reflective surface is depressed into a plane coincident with, or subterranean with that of the surrounding pavement, when the delineator is located in a highway, or on any oth... | 07/01/1986 |
| 4595312 | Pneumatically restorable retractable pavement marker and method of fabricating same An improved traffic marker for deployment into the running surface of a roadway is disclosed wherein a light reflecting reflector thereof is normally positioned at above grade to enhance the visibility of retro-reflecting light impinging thereon from ongo... | 06/17/1986 |
| 4576508 | Bollard trafficway barrier and vehicle arrest system A bollard type trafficway barrier for arresting vehicles, comprised of a cast in place foundation and a mounting frame replaceable therein to carry a lift means for the bollard that is directionally oriented with respect to traffic so as to withstand grea... | 03/18/1986 |
| 4576509 | Security gate A crash resistant vehicle barrier that can be opened to pass traffic and closed to bar traffic even if the vehicle crashes into the barrier. The barrier is pivotable about a horizontal axis in the roadway into and out of a pit below the roadway. The barri... | 03/18/1986 |
| 4571118 | Simulated tubular highway safety device A simulated tubular member for use as part of a highway safety device wherein the tube is comprised of a stiff, resilient rod which provides rigidity to maintain the simulated tube in straight orientation during static conditions, but deflects upon impact... | 02/18/1986 |
| 4554695 | Vehicular road block A road block for preventing unauthorized vehicles from entering a secured area comprises a pit, a span covering the pit, collapsible support members supporting the span at the trailing end of the plate with respect to the direction of vehicle access, devi... | 11/26/1985 |
| 4504169 | Reflective road studs A reflective road stud comprises a resilient shell having a recess in which a reflective device is mounted. In order that an block insert having an array of reflective elements may be used, a flange is formed integrally with the shell behind the recess, a... | 03/12/1985 |
| 4490068 | Hydraulic safety barrier traffic-way controller A vehicle traffic-way controller of retractile barrier configuration wherein activation and control is by hydraulics in the form of a pressure source applied from a motor driven pump and directed by a valve to opposite ends of a double acting cylinder and... | 12/25/1984 |
| 4413923 | Self-cleaning reflective road marker A self-cleaning reflective road marker comprises a housing formed of a generally cylindrical portion insertable into the road and a flanged portion for lying on the road surface connected thereto. The housing contains a stud mounted on a rubber hemisphere... | 11/08/1983 |
| 4367975 | Traffic barriers A traffic barrier comprises a step-like obstruction able to resist or prohibit the advance of a vehicle, a hinged platform disposed in advance of the step-like obstruction and rockable between a lowered position and a raised position, in which its trailin... | 01/11/1983 |
| 4362425 | Road marker An economical retro-reflective roadway marker of high strength plastic materials having a reflective top assembly having a resilient portion that is curved to raise the reflective top assembly and a recessed base assembly or roadway depression. The reflec... | 12/07/1982 |
| 4332503 | Apparatus for signaling direction of travel on a road bed A ramp is pivotably mounted in a road bed transverse to the flow of traffic. The ramp pivots between a first position raised above the surface of the road bed and a second position approximately flush with the surface of the road bed, but preferably sligh... | 06/01/1982 |
| 4325651 | Protected traffic controller spikes The inclined projecting spikes used by parking lots to discourage entrance through the exit are guarded for protection of pedestrians. The guards take the form of either shrouds over the spikes or movable members disposed near the point of the spikes and ... | 04/20/1982 |
| 4318079 | Motorized tire barrier and signal barrier traffic-way controller A motorized traffic-way controller wherein a retractile tire barrier and opening gate barrier are coordinated to operate in unison by a motor drive that is recycled by closing a mode switch through cam controlled "stop" and "go" switches responsive to the... | 03/02/1982 |
| 4297051 | Deformable highway marker A roadway marker, as for division of traffic lanes, has a flexible plastic dome-shaped top which extends above the roadway surface and is elastically deformable when run over by a snowplow blade. The marker is thus capable of use in all types of climate. ... | 10/27/1981 |
| 4274172 | Ramps A platform and ramp apparatus comprises a ramp and structure for securing the ramp to the platform. The securing means comprises link structure rotatably mounted on the platform to rotate about a first axis of rotation fixed relative to the platform, the ... | 06/23/1981 |
| 4234264 | Multi-directional marking device of the type to be used on pavement surfaces This is a pavement marking device that is incorporated into pavement structures, more specifically into pavements subject to abuse from snow removal or snow clearing apparatus, and on pavements where vehicles travel in one direction or in multiple directi... | 11/18/1980 |
| 4218059 | Field marker A marker for delineating boundary and playing lines on an athletic field or the like comprises a hollow elongated keystone shaped body member having converging side walls and an open top face with a clearly colored cushioning member in the upper portion t... | 08/19/1980 |
| 4197807 | Collapsible traffic cone marker Disclosed herein is a collapsible traffic cone marker characterized by a cylindrical base portion having one open face, an upwardly extending spiral reflective marker capable of collapsing and nesting within the base portion, and a bolt mechanism which ca... | 04/15/1980 |
| 4188150 | Highway lane marker A highway marker comprising a spherical member mounted in a housing so that a portion of the spherical member projects from the housing. The spherical member is so mounted that axial movement within the housing and rotational movement of said member is pe... | 02/12/1980 |
| 4140418 | Traffic indicator A traffic indicator used in the road has a body movable from an indicating position to a protection position, the body including a first shoulder lying substantially flush with the road surface, and thus in the protecting position, and a second shoulder, ... | 02/20/1979 |
| 4130370 | Light-reflective road marker of self-cleaning type Road marker in a road bed having at the road level a resilient diaphragm carrying a light-reflective lens yieldingly projecting above the road level and operationally depressible below the road level by an automotive wheel passing over the lens, with the ... | 12/19/1978 |
| 4097170 | Modular traffic controller A visible traffic controller permitting free flow of desired traffic in one direction while preventing reverse flow of undesired traffic in the opposite direction, and comprised of a low profile support or frame superimposed over an unaltered pavement sur... | 06/27/1978 |
| 4049358 | Visible markers for road surfaces A marker for road surfaces is of the type having a mounting adapted to be fixed in the roadway with an aperture at the upper end of the mounting for holding a visible portion held in upraised position by spring means; in the marker of the invention the vi... | 09/20/1977 |
| 3971623 | Roadway marker A pavement marker having a shell-like body with a chamber formed therein, the body being at least partially of transparent material to form a transparent outer wall for the chamber so that the interior of the chamber is visible through the transparent out... | 07/27/1976 |
