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All Patents in class 33/371
Patents 1 - 13 of 13
First set of recordsLast set of records
92,927Jul. 27, 1869A. AmoryImprovement in guide-attachments for boring-instrumentsdrill accessories
352,721Nov. 16, 1886J.A. TrautStanley No 44 Bit and Square Levellevels
449,609Mar. 31, 1891H. GreenSpirit-Levellevels
450,457Apr. 14, 1891H. GreenSpirit Levellevels
697,335Apr. 08, 1902I.B. HaganMeasuring Instrumentprotractors
867,556Oct. 01, 1907R. CampbellCombination Tooltry squares
948,777Feb. 08, 1910U. TuomiCombined Square, Level, and Plumbcombination tools
1,229,356Jun. 12, 1917O.C. WatkinsWeather-Boarding Gageclapboard markers
1,308,699Jul. 01, 1919W.L. CusickCombined Level, Plumb, and Gagelevels
1,492,705May 06, 1924J. DulczewskiAdjustable square attachment for handsawshandsaws
1,497,136Jun. 10, 1924Saw Gauge
1,576,260Mar. 09, 1926H.F. WaiteDental Levellevels
2,824,381Feb. 25, 1958R.J. TraupmannPre-Indicator of Pipe Positions and Bendspipe and tube benders
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