DAVID MARTIN SHEPHERD
Pilots at Mayfair Dr, Farmington, MI

License number
Michigan A3853520
Issued Date
Dec 2015
Expiration Date
Dec 2017
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
30178 Mayfair Dr, Farmington, MI 48331

Professional information

David Shepherd Photo 1

Instrument Panel Magnification System

US Patent:
4865419, Sep 12, 1989
Filed:
Jun 24, 1988
Appl. No.:
7/211051
Inventors:
David M. Shepherd - Farmington Hills MI
International Classification:
G02B 2702
US Classification:
350114
Abstract:
A Fresnel lens operatively affixed proximate the transparent faceplate which covers the cluster of gauges disposed on an automotive instrument panel for magnifying the digital or analog information displayed by those gauges.