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US 2,972,876 A
Filed
: 05/20/1957
Issued
: 02/28/1961
Est. Priority Date
: 05/20/1957
Status: Expired due to Term
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Current Assignee
Eduard Geldhof Peter
Original Assignee
Eduard Geldhof Peter
Inventors
EDUARD GELDHOF PETER
Application Number
US03/660,309
Time in Patent Office
1,380 Days
Field of Search
US Class Current
68/18.00F
CPC Class Codes
D06F 39/10
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