Title:
INDOOR TELEVISION ANTENNA WITH ROTATABLE RINGS
United States Patent 3478361
US Patent References:
Selective receiving apparatus for wireless telephone or telegraph sets
- - 2093158
Directive antenna system
- - 2644158
Picture antenna for television sets
- - 3261019
Antenna systems
- - 3281847
Radio and television antenna
- - 2657312
Selective receiving apparatus for wireless telephone or telegraph sets
- - 2093158
Directive antenna system
- - 2644158
Picture antenna for television sets
- - 3261019
Antenna systems
- - 3281847
Radio and television antenna
- - 2657312
Inventors:
Middlemark, Marvin P.
Publication Date:
11/11/1969
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Export Citation:
Assignee:
Marvin, Middlemark P.
Primary Class:
Other Classes:
343/876, 343/742, 343/764, 343/805
International Classes:
H01Q1/24; H01Q1/00