Title:
PERSONNEL LOCATION SYSTEM
United States Patent 3439320


Inventors:
Ward, James E.
Application Number:
US3439320DA
Publication Date:
04/15/1969
Filing Date:
09/21/1967
Assignee:
RELTON CORP
Primary Class:
Other Classes:
340/8.1, 340/572.1, 367/111, 367/117, 367/910
International Classes:
G08B3/10; (IPC1-7): G01S3/80
View Patent Images: