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Brake assembly for skateboard
Patent #: 4288088
Issued on: 09/08/1981
Inventor: Harrison
Electrical ski boot release
Patent #: 4291894
Issued on: 09/29/1981
Inventor: D'Antonio , et al.
Snow ski with adjustable camber
Patent #: 4300786
Issued on: 11/17/1981
Inventor: Alley
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Ski, particularly Alpine ski
Patent #: 4377297
Issued on: 03/22/1983
Inventor: Staufer
Safety binding for a ski
Patent #: 4383702
Issued on: 05/17/1983
Inventor: Salomon
Electrically releasable safety ski binding
Patent #: 4436321
Issued on: 03/13/1984
Inventor: Storandt , et al.
Method for programmed release in ski bindings
Patent #: 4463968
Issued on: 08/07/1984
Inventor: Hull
Ski stress signaling device
Patent #: 4516110
Issued on: 05/07/1985
Inventor: Overmyer
Safety ski binding
Patent #: 4516791
Issued on: 05/14/1985
Inventor: Riss , et al.
Electronic safety ski binding having oblique, orthogonal transducers
Patent #: 4526397
Issued on: 07/02/1985
Inventor: Richert
Safety ski binding
Patent #: 4545598
Issued on: 10/08/1985
Inventor: Spitaler , et al.
Ski vibration damper
Patent #: 4563020
Issued on: 01/07/1986
Inventor: Arieh , et al.
Ski
Patent #: 4565386
Issued on: 01/21/1986
Inventor: Crainich
Method and apparatus using a piezoelectric film for active control of vibrations
Patent #: 4565940
Issued on: 01/21/1986
Inventor: Hubbard, Jr.
Modifiable stiffness ski
Patent #: 4592567
Issued on: 06/03/1986
Inventor: Sartor
Method and apparatus for active control of vibrations
Patent #: 4626730
Issued on: 12/02/1986
Inventor: Hubbard, Jr.
Surface-area pressure transducer and line-selection circuit for use therewith
Patent #: 4644801
Issued on: 02/24/1987
Inventor: Kustanovich
Ski stiffened in torsion by a bellows-like member
Patent #: 4647061
Issued on: 03/03/1987
Inventor: Girard
Ski which is stiff in torsion and relatively weak in beam
Patent #: 4696487
Issued on: 09/29/1987
Inventor: Girard
Ski
Patent #: 4697820
Issued on: 10/06/1987
Inventor: Hayashi , et al.
Ski, in particular a cross-country ski
Patent #: 4740009
Issued on: 04/26/1988
Inventor: Hoelzl
Sliding device, particularly alpine ski
Patent #: 4804200
Issued on: 02/14/1989
Inventor: Kuchler
Pyrotechnic device for a skateboard
Patent #: 4834407
Issued on: 05/30/1989
Inventor: Salvo
Ski with damper processed in its core
Patent #: 4848784
Issued on: 07/18/1989
Inventor: Scherubl
Ski with balancing elements
Patent #: 4848786
Issued on: 07/18/1989
Inventor: Mankau
Motion detector
Patent #: 4892325
Issued on: 01/09/1990
Inventor: D'Antonio
Shock-absorbing element for skis
Patent #: 4896895
Issued on: 01/30/1990
Inventor: Bettosini
Electronic computerized simulator apparatus
Patent #: 4906192
Issued on: 03/06/1990
Inventor: Smithard, et al.
Vibration absorbing apparatus
Patent #: 4940914
Issued on: 07/10/1990
Inventor: Mizuno, et al.
Ultrasonic motor with vibration suppressor
Patent #: 4980597
Issued on: 12/25/1990
Inventor: Iwao
Distribution type tactile sensor
Patent #: 5010774
Issued on: 04/30/1991
Inventor: Kikuo, et al.
Closed loop ski simulation and instructional system
Patent #: 5049079
Issued on: 09/17/1991
Inventor: Furtado, et al.
Switch for electronic sports equipment
Patent #: 5051605
Issued on: 09/24/1991
Inventor: D'Antonio, et al.
Surface pressure distribution detecting element
Patent #: 5079949
Issued on: 01/14/1992
Inventor: Tamori
Piezo-actuator shock absorber damping force controlling system having abnormality detection function
Patent #: 5097171
Issued on: 03/17/1992
Inventor: Matsunaga, et al.
Ski provided with a vibration damping device
Patent #: 5143394
Issued on: 09/01/1992
Inventor: Piana
Ski
Patent #: 5199734
Issued on: 04/06/1993
Inventor: Mayr
Vibration control apparatus
Patent #: 5270607
Issued on: 12/14/1993
Inventor: Terajima
Apparatus and method for damping deflections and vibrations in skis
Patent #: 5284357
Issued on: 02/08/1994
Inventor: Tinkler
Dry land snowboard training device
Patent #: 5312258
Issued on: 05/17/1994
Inventor: Giorgio
Shock absorption device for a ski
Patent #: 5332252
Issued on: 07/26/1994
Inventor: Le Masson, et al.
Device for the modifying the pressure distribution of a ski along its sliding surface
Patent #: 5332253
Issued on: 07/26/1994
Inventor: Couderc, et al.
Ski device
Patent #: 5332254
Issued on: 07/26/1994
Inventor: Juhasz
Board for sliding, provided with a device for damping vibrations
Patent #: 5333889
Issued on: 08/02/1994
Inventor: Piegay, et al.
Snow surfboard having asymmetric characteristics
Patent #: 5342077
Issued on: 08/30/1994
Inventor: Abondance
Remotely steered catheterization device
Patent #: 5415633
Issued on: 05/16/1995
Inventor: Lazarus, et al.
Sports board having a pressure sensitive panel responsive to contact between the sports board and a surface being ridden
Patent #: 5590908
Issued on: 01/07/1997
Inventor: Carr
Piezoelectric damper for a board such as a snow ski or snowboard
Patent #: 5775715
Issued on: 07/07/1998
Inventor: Vandergrift
Piezoelectric vibration angular velocity meter and camera using the same
Patent #: 5794080
Issued on: 08/11/1998
Inventor: Watanabe, et al.
Clutch engageable damping and stiffening system
Patent #: 5806875
Issued on: 09/15/1998
Inventor: Bonvallet
Relocatable electronic ski camber sensor
Patent #: 5826909
Issued on: 10/27/1998
Inventor: Brommer, et al.
Adaptive sports implement Patent #: 5857694
Issued on: 01/12/1999
Inventor: Lazarus, et al.