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All Patents in class 73/333
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
391,012Oct. 16, 1888J.G. BlountSafety water-gage
401,326Apr. 16, 1889J.G. BlountWater-gage
1,147,835Jul. 27, 1915R. WoodLow Water Alarm for Steam Boilers and the Likelow water alarms
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