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United States Patent 1398237

Inventors:
John, Michaels
Publication Date:
11/29/1921
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Assignee:
John, Michaels
Primary Class:
312/195
Other Classes:
312/276, 312/271, 109/57, 312/22, 312/298, 108/11, 312/317.200, 312/208.100, 312/194, 312/313, 312/205, 312/312
International Classes:
A47B17/02; A47B17/00