Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7401630 | Wheelchair, wheel for wheelchair, and method of producing wheel for wheelchair A wheel for a wheelchair according to the present invention includes: an outer wheel or ring mounted on the inner periphery of a tire; an inner ring connected with a wheelchair frame (concentric with the outer ring and positioned inside the outer ring); a plurality ... | 07/22/2008 |
| 6782930 | Elastic wheel An elastic wheel, comprising a disk (1) having a base rim (2) and a rim (3) pivotally supporting a tire (10), wherein a projected part (5) with a generally trapezoidal cross-section in the wheel axis direction is formed in a well o... | 08/31/2004 |
| 6702399 | Shock absorbing bicycle wheel hub A shock absorbing bicycle wheel hub apparatus uses an open ended, cylindrical shock absorber housing mounted concentrically within a wheel hub. The wheel hub is adapted for rotation about the shock absorber housing. A pivot tube is axially aligned with th... | 03/09/2004 |
| 6406101 | Shock absorbing bicycle wheel hub A shock absorbing bicycle wheel hub apparatus uses an open ended, cylindrical shock absorber housing mounted concentrically within a wheel hub. The wheel hub is adapted for rotation about the shock absorber housing. A pivot rod is axially aligned with the... | 06/18/2002 |
| 6322153 | Self-suspending wheel An outer wheel, tire and rim, is mounted onto an inner wheel or hub and is adapted for low friction rotation on the hub. An arm is pivotally attached to the inner wheel and carries a receiver for the axle upon which the wheel is mounted so that the axle i... | 11/27/2001 |
| 6125955 | Magnetic wheel An improved magnetic wheel for a vehicle that moves over ferromagnetic surfaces. The vehicle includes an articulating, remotely controlled chassis that is constructed around a variable frequency motor. Drive axles extend from spring biased torsion hubs an... | 10/03/2000 |
| 4211268 | Wheel A wheel has a plurality of variable length spokes extending radially from the hub to the rim and supporting the rim coaxially around the hub. Spoke length varying devices vary the lengths of the spokes.... | 07/08/1980 |
