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1436893
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Patent Grant
1436893
References
Source
Patent Number
1,436,893
Date Filed
Not available
Date Issued
Tuesday, November 28, 1922
101 years ago
CPC
B21F41/00 - Making umbrella frames or members from wire
Y10T29/40 - Umbrella-frame making
US Classifications
029 - Metal working
269 - Work holders
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