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United States Patent 1341844
Inventors:
Kennedy, Dougan
Publication Date:
06/01/1920
View Patent Images:
Download PDF 1341844
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Assignee:
Kennedy, Dougan
Primary Class:
244/3.230
Other Classes:
102/444, 102/526
International Classes:
F42B10/16
;
F42B10/26
;
F42B14/02
;
F42B14/06
;
F42B10/00
;
F42B14/00