ROBERT BURL PERKINS
Pilots at Tartan Grn Ct, Magnolia, MD
License number
Maryland A1476168
Issued Date
Jul 2016
Expiration Date
Jul 2017
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
314 Tartan Green Ct, Magnolia, MD 21085
Professional information
Display System
US Patent:
3944998, Mar 16, 1976
Filed:
Nov 4, 1974
Appl. No.:
5/520798
Inventors:
Robert B. Perkins - Joppa MD
International Classification:
G08B 536
US Classification:
340324AD
Abstract:
A cathode-ray tube display system such as aircraft radar system in which alternative input information such as aircraft approach charts are suitably stored and may alternatively be displayed on the cathode-ray tube.