Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7314222 | Adjustable skate A skate having a base adapted to support a user's boot, a frame equipped with a plurality of wheels and having a transverse arch in its central portion, at least one rear quarter capable of sliding on the base and adapted to surround the heel zone and the lower leg ... | 01/01/2008 |
| 7290773 | Glide sport article, especially ice skate For a glide sport article, especially an ice skate with a shoe body that is located on a chassis and that includes a cap-like shoe tip forming the toe area of the shoe body, a shoe body section forming the heel area and an ankle support, lacing on the shoe body sect... | 11/06/2007 |
| 7278641 | Adjustable skate An adjustable skate includes a boot, a liner, and an adjusting device. The boot includes a toe cap, a heel portion, and a sole. The liner is mounted in the boot and includes a bottom plate and a toe box. A chamber is defined between the toe box and the heel portion ... | 10/09/2007 |
| 7246803 | Tool-less size-adjustable in-line skate A size-adjustable in-line skate having a base carrying a plurality of wheels thereon. An upper is secured to a top surface of the base and defines a heel portion, a toe portion, and diametrically opposed side wall portions. The upper is supported by a support struct... | 07/24/2007 |
| 7243924 | Ice skate and ice skate blade thereof An ice skate comprising an ice skate blade holder and an ice skate blade secured in a longitudinal recess of the ice skate blade holder. The ice skate blade has an ice contacting lower and upper curvatures so as to be positionally changeable in one of two alternativ... | 07/17/2007 |
| 7175186 | Skate with an adjustable sole plate A skate with an adjustable sole plate has a sole plate and a boot mounted on the sole plate. The sole plate has a front body and a rear body. The front body has a locking element mounted on the front body, and the rear body of the sole plate has at least one key for... | 02/13/2007 |
| 7175187 | Wheeled skate with step-in binding and brakes The present invention teaches an apparatus and method for removably securing an article of footwear suitable for walking, running, or bicycling to a wheeled skate. Further, the present invention also teaches a brake device for use with a wheeled skate. In addition, ... | 02/13/2007 |
| 7152865 | Heel adjustable skate A skate includes a holder frame, a boot, and a locking mechanism. The boot comprises a toe box and a heel portion, wherein the toe box is fixedly attached to the holder frame and wherein the heel portion engages the holder frame such that the heel portion is capable... | 12/26/2006 |
| 7137635 | Expandable in-line skate A skate (200) having a frame (226) adapted to support a plurality of wheels (228) and a base (214) disposed above the frame. The base includes a platform (280) having a longitudinal rail (282) with a plurality of locking det... | 11/21/2006 |
| 7040633 | Rolling or gliding sports equipment Rolling or gliding sports equipment, such as an in-line roller skate, including such equipment or skate adapted to receive an independent boot. The equipment/skate according to the invention includes a frame, a base connected to the upper portion of the frame, and h... | 05/09/2006 |
| 6932360 | Adjustable frame assembly for skates An adjustable frame assembly for skates to allow for attachment of the frame in a number of positions along the length of the boot portion of the skate. The assembly comprises a skate foot bed containing two recessed portions each containing an opening flanked by ri... | 08/23/2005 |
| 6918601 | Tool-less size-adjustable in-line skate A size-adjustable in-line skate having a base carrying a plurality of wheels thereon. An upper is secured to a top surface of the base and defines a heel portion, a toe portion, and diametrically opposed side wall portions. The upper is supported by a support struct... | 07/19/2005 |
| 6918602 | Roller skates with adjustable longitudinal dimension A roller skate with an adjustable longitudinal dimension for adjusting the dimension of the shoe cap of the roller skate includes an anchor section under a two-piece shoe cap that has a first coupling section. An adjusting bolt is provided on the truck with a second... | 07/19/2005 |
| 6883812 | Size adjustable in-line skates An in-line skate includes a sole plate having wheels rotatably connected to the underside of the sole plate and two elongated first slots are longitudinally defined through the sole plate. A rear portion of vamp is connected to a connection wall on the sole plate. A... | 04/26/2005 |
| 6851683 | Adjustable in-line skate An adjustable in-line skate has a rigid frame, a plurality of wheels rotatably secured to the frame in a line, a sole plate secured to the frame having a heel portion and a toe portion, and a boot mounted on the sole plate. The boot has a toe shell and a separate he... | 02/08/2005 |
| 6669210 | Adjustable ice skate An ice skate comprising a boot modifiable in length disposed on a blade holder frame, and a locking mechanism. The blade holder frame includes a recessed surface disposed on a forward section of the blade holder frame longitudinally along a longitudinal a... | 12/30/2003 |
| 6612592 | Skate with a size-adjustable boot A skate includes a base, an adjusting member, and a boot including a front portion and a rear portion. The front portion is provided on a front portion of an upper side of the base. The rear portion is secured in place when the adjusting member is in its ... | 09/02/2003 |
| 6497420 | Skate with adjustable size A skate with adjustable size has a toe unit and a heel unit. The heel unit is slidingly associated with the toe unit through sliders and a fastener constituted by a screw is adapted to adjust and lock the mutual axial position of the heel unit with respec... | 12/24/2002 |
| 6488308 | Winter sports device An item of winter sport equipment such as a ski including at least one sliding runner whose width or waisting can be at least in part varied. The variation in width and/or waisting of the sliding runner may be effected by the sliding runner having a plura... | 12/03/2002 |
| 5513862 | Skate with wedge-shaped height adjuster A skate having a height adjustment mechanism which allows the skater to shift his or her center of gravity by varying the skate's angle of inclination relative to the skating surface, the height adjustment mechanism having a screw for moving a wedge with ... | 05/07/1996 |
| 5505467 | Adjustable skate support and bracket system A skate support and bracket system includes an elongated main body structure in the form of a tubular aluminum extrusion. A bracket attachment track is formed on the extrusion. A pair of boot brackets are slidably mounted on the track for continuous and i... | 04/09/1996 |
| 5257793 | Skate with adjustable runner A skate in which the runner, such as an ice skate blade mounted in a support member, is hingedly connected at the front end thereof to a support member mounted at the sole plate in the toe area of the boot. A retractable and expandable telescopic member i... | 11/02/1993 |
| 5184834 | Skate shoe having an adjustable plate mounted thereto A skate shoe has a sole plate and a skating unit which is detachably attached to the sole plate. The sole plate includes a front section, a rear section spaced from the front section and a connecting member adjustably interconnecting the front and rear se... | 02/09/1993 |
