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2059958
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Patent Grant
2059958
References
Source
Patent Number
2,059,958
Date Filed
Not available
Date Issued
Tuesday, November 3, 1936
88 years ago
CPC
E01F9/602 - Upright or projecting signs or signals permanently installed directly on or in the roadway and designed to be depressed by rolling or other loads and then to return to normal position
US Classifications
116 - Signals and indicators
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