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U.S. patent applications available from 2005 to present.

"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"

The Quarterly Review ; March edition, 1825

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Assignee: Vistek, Inc.

Location: Calabassas, CA
No. of patents: 1

Number	Title	Issue Date
5353525	Variable support shoe An athletic shoe includes a substantially flat pump chamber in the sole of the shoe under the heel of the user, with a one-way valve permitting the drawing in of air when pressure is taken of the heel, and second one-way valve at the outlet from the flat ...	10/11/1994