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1398795
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Patent Grant
1398795
References
Source
Patent Number
1,398,795
Date Filed
Not available
Date Issued
Tuesday, November 29, 1921
103 years ago
CPC
E05D13/1246 - Spring safety devices
Y10T16/642 - Friction roller
US Classifications
049 - Movable or removable closures
016 - Miscellaneous hardware
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