Title:
Projectile radio sonde
United States Patent 2647991
Inventors:
Tatel, Howard E.
Trainer, Edgar W.
Application Number:
US12874249A
Publication Date:
08/04/1953
Filing Date:
11/22/1949
Assignee:
Navy US.
Primary Class:
Other Classes:
455/91, 455/127.1, 455/128
International Classes:
F41G7/30; H05K7/00
View Patent Images:
US Patent References:
2478866Aircraft drift angle indicator1949-08-09
2310017Emergency transmitter1943-02-02
2199555Radio receiver1940-05-07
2070112Police-communication system1937-02-09