Title:
Pipe harmonica
United States Patent 2754714
Inventors:
Robert, Folsom Theodore
Publication Date:
07/17/1956
Export Citation:
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Assignee:
Robert, Folsom Theodore
Primary Class:
84/330
Other Classes:
84/376R, 84/380C, 84/380R, 446/204, 984/137
International Classes:
G10D7/12; G10D7/00
View Patent Images:
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US Patent References:
2506039Musical toy
2496134Gas flow indicator
1744570Apparatus for producing sounds
1688349Whistle
0797232N/A
0780674N/A
0532642N/A
0192061N/A
Foreign References:
FR370684A