Patents for Andrew J. Hamilton |
Patents 1 -
15
of 20
      |
Number | Title | Classification(s) |
295,100 | Combined Bevel and T-Square | 33/354, 33/388, 33/470 |
297,056 | Caliper Rule | 269/203, 33/810 |
306,429 | Inclinometer | 33/387 |
318,051 | Screw Thread Gage | 33/199R |
318,984 | Bevel for Draftsmen or Artificers | 33/470 |
403,726 | Micrometer Gage | 33/823 |
429,939 | Valve-reseating machine | 408/111, 408/83.5 |
448,089 | Micrometer Gage | 33/816, 33/821 |
474,699 | Bevel Protractor | 33/473 |
539,759 | Calipers and Dividers | 33/558.01 |
556,703 | Surface Gage | 33/32.2 |
570,056 | Spirit Level | 33/375, 73/124 |
582,154 | Micrometer Gage | 33/816 |
582,517 | Shaft Level | 33/381, D10/69 |
D29,875 | Design for a Combination Square | D10/62, D10/65, D10/69 |