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Title:
Jack
United States Patent 2237230
Inventors:
Emery, Johnson
Publication Date:
04/01/1941
Export Citation:
Click for automatic bibliography generation
Assignee:
Emery, Johnson
Primary Class:
254/98
Other Classes:
254/100
International Classes:
B66F3/08
;
B66F3/10
;
B66F3/00
View Patent Images:
Download PDF 2237230
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