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All Patents in class 72/48
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
26,679Jan. 03, 1860L.T. HulbertDouble Seamertinsmith
130,853Aug. 27, 1872H.W. HillImprovement in Implements for Ringing Hogshog ring
203,272May 07, 1878H.W. HillHog-Ringing Implementhog ring
216,468Jun. 10, 1879A. St. MaryHog-Ring and Ringing Implementhog ring
266,604Oct. 31, 1882O.W. BurrittDouble-seaming machine
300,302Jun. 10, 1884O.W. BurrittMachine for seaming or double-seaming joints of sheet-metal roofing
307,521Nov. 04, 1884O.W. BurrittMachine for cross-seaming sheet metal
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