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Patents for Andrew J. Hamilton
Patents 1 - 15 of 20
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NumberTitleClassification(s)
295,100Combined Bevel and T-Square33/354, 33/388, 33/470
297,056Caliper Rule269/203, 33/810
306,429Inclinometer33/387
318,051Screw Thread Gage33/199R
318,984Bevel for Draftsmen or Artificers33/470
403,726Micrometer Gage33/823
429,939Valve-reseating machine408/111, 408/83.5
448,089Micrometer Gage33/816, 33/821
474,699Bevel Protractor33/473
539,759Calipers and Dividers33/558.01
556,703Surface Gage33/32.2
570,056Spirit Level33/375, 73/124
582,154Micrometer Gage33/816
582,517Shaft Level33/381, D10/69
D29,875Design for a Combination SquareD10/62, D10/65, D10/69
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