Lewis, Richard D.

USPTO Trademark & Patent Filings

Lewis Richard D

Trademark applications and grants for Lewis, Richard D.. Lewis, Richard D. has 8 trademark applications. The latest application filed is for "WASHINGTON REDHAWKS"

Company Profile
    Company Aliases
  • LEWIS, RICHARD D.
  • d richard lewis
  • Lewis; Richard D. - Windham NH
  • Lewis; Richard D. - Bloomington MN
Entity Type INDIVIDUAL
Address 3497 Woodridge Lane Palm Harbor, FLORIDA UNITED STATES 34684

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks Patents
Patent Applications
Patent ApplicationDate
System and method for zoom lens calibration and method using same
6,026,172 - 08/924,595 Lewis, Jr. , et al. February 15, 2
2000-02-15
Air flow control valve
5,222,518 - 07/934,419 Fisher , et al. June 29, 1
1993-06-29
Non-degrading back pressure regulator
5,176,176 - 07/792,342 Lewis , et al. January 5, 1
1993-01-05
Non-degrading pressure regulator
4,887,639 - 07/221,024 Lewis , et al. December 19, 1
1989-12-19
Energy conserving refrigeration device
4,843,841 - 07/249,416 Vork , et al. July 4, 1
1989-07-04
Patent Grants & Applications
Company Registrations

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