Loud-speaker horn
United States Patent 2537141
US Patent References:
/1067905.html
- - 1067905

Sound-projecting apparatus and method
- - 1477556

Amblifying horn
- - 1525320

Sound-amplifying device
- - 1614983

Sound-projecting apparatus
- - 1666057


Inventors:
Klipsch, Paul W.
Publication Date:
01/09/1951
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Assignee:
Klipsch, Paul W.
Primary Class:
181/187
Other Classes:
181/188, 181/191
International Classes:
G10K11/02; G10K11/00
US Patent References:
1666058Sound projector
1666059
1992268Acoustic device
2001089Horn
Foreign References:
GB281792A