Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7739977 | Vehicle visual indicator A visual indicator device for use on a vehicle that includes a bed and a tailgate that engages with the bed and that may assume open and closed positions relative to the bed. The visual indicator device is for determining, from the cab of the vehicle via a rearview ... | 06/22/2010 |
| 7350950 | Safety device A safety device comprising a housing, an extendable tube located in the housing, and a light source for illuminating the extendable tube. The extendable tube is translucent and may be extended from a first position to a second position. ... | 04/01/2008 |
| 7308864 | Warning flag assembly for use with elongated loads on a roadway vehicle A warning flag assembly is disclosed for attachment to an overhanging load on a roadway vehicle. The flag assembly is generally cylindrical and has one margin secured to a holder that may be releasably attached to the overhanging load using conventional hardware whe... | 12/18/2007 |
| 7128019 | Tailgate position indicator An indicator device for alerting the driver of a pickup truck to the orientation of the tailgate includes a housing assembly and an indicator assembly carried by and extending from the housing assembly. The housing assembly is attached to the tailgate of the pickup ... | 10/31/2006 |
| 7000563 | Tailgate position indicator An indicator device for alerting the driver of a pickup truck to the orientation of the tailgate includes a housing assembly and an indicator assembly carried by and extending from the housing assembly. The housing assembly is attached to the tailgate of the pickup ... | 02/21/2006 |
| 6928951 | Foldable triangular caution device A flexible foldable triangular warning device is provided. The warning device is made from at least one panel and can be moved between a compact or storage position and an expanded position in which the warning device can be made to be free standing. The device can ... | 08/16/2005 |
| 6777701 | Thermal radiation marker Emitter controller including a controller, and a power amplifier, the controller being connected to a power source, the power amplifier being connected to the controller, the power source and to an emitter, the controller providing a pulse sequence to the power ampl... | 08/17/2004 |
| 6374766 | Signal device for roll up doors A safety signal apparatus is secured to the lower side portion of roll up doors on trucks and trailers to provide a visual indication of the position of the roll up door, when viewed by the driver of the vehicle through a side mounted rear view mirror. Th... | 04/23/2002 |
| 6345586 | Method for confirming vehicle travel position and equipment for displaying vehicle travel position The present invention provides a vehicle travel position marker and method for confirming vehicle travel position for correct, visual confirmation of tire position and vehicle width, which before now could only be sensed. The present invention relates to ... | 02/12/2002 |
| 6345587 | Visual parking guide for a vehicle A parking guide for a vehicle made of a telescoping antenna attached to a mounting bracket wherein the antenna is extended to allow the driver to see where the front or rear of a vehicle is in relation to other objects while parking.... | 02/12/2002 |
| 6318288 | Vehicle bumper locator A vehicle bumper locator to be mounted to the existing license plate mounting holes of a vehicle. The bumper locator includes a horizontal frame member with openings that register with the license plate mounting holes. A bracket is pivotally attached to t... | 11/20/2001 |
| 6069753 | Flip-out safety reflector A highly reliable, manually deployable safety reflector device which can be easily installed on a vehicle includes a bracket and a reflector member mounted on the bracket for rotation between a storage position and a deployed position. The bracket or refl... | 05/30/2000 |
| 5979355 | Tail flag assembly for pole trailer A tail flag assembly for installation on a rear end of an utility pole laid on a pole trailer. The tail flag assembly comprises a ring mountable over the rear end of the pole and a plurality of screws extending radially through the ring for clamping the r... | 11/09/1999 |
| 5905216 | Track flag holder A track flag holder is disclosed for attachment to a railroad track in order to support flags designed to alert train operators. The track flag holder includes an adjustable clamp assembly, a flag assembly, and a flag. The adjustable clamp assembly includ... | 05/18/1999 |
| 5685255 | Flag warning device A flag warning device for attachment to extended loads such as ladders or extended items that are in the trunk of a standard vehicle and which are too large to fit in the ordinary trunk and therefore require the trunk to be opened while the items extend o... | 11/11/1997 |
| 5481244 | Load extension signaling device A warning device includes a flexible collar of adjustable length so as to be wrapped about a beam, pole or log being transported on a vehicular carrier. The flexible collar includes a serial connection of a rigid mounting base, a tensioning device and a c... | 01/02/1996 |
| 5349920 | Safety reflector marker A light transmissive, including reflective and refractive visual warning device for attachment from the handle grips of a bicycle or motorcycle, to indicate the presence of the user to car drivers, is carried upon a short flexible suspension means, such a... | 09/27/1994 |
| 5273399 | Reflective propeller cover A cover for a propeller is disclosed which is intended to be used while a boat on which the propeller is mounted is being transported on a trailer. The cover is either made of a reflective material or is covered with a reflective material and is intended ... | 12/28/1993 |
| 5088439 | Safety reflector including bracket A safety reflector which is attached to a V-shaped bracket that may be used for mounting onto a boat motor or extended load on a trailer. The safety reflector used to notify persons following such a boat or load that the motor or load is present which wil... | 02/18/1992 |
| 5014641 | Hazard warning device for vehicles A body portion is supported in upright position by a support stem and has wind propelling blades arranged to rotatably drive the body portion when subjected to air currents. The body portion has front and rear surfaces one of which may support a rear view... | 05/14/1991 |
| 4858551 | Portable and reusable safety marker for disabled vehicles The subject invention is a portable apparatus constructed to function as a safety warning device to be temporarily deployed on disabled motor vehicles or the like, such device comprising a container with an internal reel from which can be drawn a predeter... | 08/22/1989 |
| 4747302 | Mounting fixture for end-of-train device or the like There is disclosed a fixture for mounting an end of train marker light and/or other electronic apparatus to a railroad freight car coupler including an upright tubular member through which a threaded rod passes and extends into and through the flag hole i... | 05/31/1988 |
| 4729338 | Mnemonic identification means A mnemonic system for identifying one object out of many substantially like objects. The system includes an elastomeric adhesion device proportioned for placement upon a horizontal surface of the object to be identified. Also included is an elongate resil... | 03/08/1988 |
| 4665858 | Mounting bracket for railway vehicle couplers An equipment mounting assembly including a reinforced L-shaped supporting bracket having a monitoring unit carried by the horizontal arm of the L-shaped supporting bracket. A dual-position carrier plate, secured to the vertical arm of the L-shaped support... | 05/19/1987 |
| 3948205 | Directional finial indicator A pliable, directional, protective finial comprising an initially substantially flat resilient member having a longitudinal axis of symmetry, a first geometric shape at the top thereof providing different color indications toward the front and back of the... | 04/06/1976 |
