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Vibrator
US 2,523,547 A
Filed
: 01/24/1947
Issued
: 09/26/1950
Est. Priority Date
: 01/24/1947
Status: Expired due to Term
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Current Assignee
Lawrence C. Zerkle
Original Assignee
Lawrence C. Zerkle
Inventors
Zerkle, Lawrence C.
Application Number
US02/723,938
Time in Patent Office
1,341 Days
Field of Search
US Class Current
601/15
CPC Class Codes
A61H 23/0263
using rotating unbalanced m...
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