Apparatus for producing modulated pulsations
United States Patent 2687718
US Patent References:
/0952565.html
- - 0952565

Riddle
- - 1676285

Apparatus for treating concrete and like plastic materials
- - 1988316

Vibrator
- - 2018046

Mounting
- - 2140441


Inventors:
Britton, Charles F.
Harrier, Jack E.
Publication Date:
08/31/1954
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Assignee:
Britton, Charles F.
Harrier, Jack E.
Primary Class:
601/48
Other Classes:
601/57, 601/82, 601/70, 74/87
International Classes:
A61H23/02
US Patent References:
2352049Shock mounted instrument
2479013Therapeutic device
2488693Therapeutic device
2489582Gyrating hairbrush
Foreign References:
GB431366A