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Tone modifier for musical instrument
US 2,929,291 A
Filed
: 03/13/1956
Issued
: 03/22/1960
Est. Priority Date
: 03/15/1955
Status: Expired due to Term
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Current Assignee
Ido Busilacchio
Original Assignee
Ido Busilacchio
Inventors
IDO BUSILACCHIO
Application Number
US03/571,231
Time in Patent Office
1,470 Days
Field of Search
US Class Current
84/376.00R
CPC Class Codes
G10D 11/00
Accordions, concertinas or ...
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