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All Patents in class 33/481
Patents 1 - 6 of 6
First set of recordsLast set of records
223,709Jan. 20, 1880M.B. CornellFraming Squarescarpenter squares
235,434Dec. 14, 1880W.C. HoffmeisterDouble Try Squaretry squares
351,820Nov. 02, 1886M.P. WardTry Squaretry squares
573,795Dec. 22, 1896R.E. PoindexterCombined weather-boarding and try squaretry squares
1,148,196Jul. 27, 1915W.L. SimmonsUniversal Right Angle Ironsquares
1,179,368Apr. 11, 1916W. BrogdanTry Squaretry squares
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