| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 73/162 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,732,730 | Oct. 22, 1929 | R.W. Porter | Method and Apparatus for Measuring and Comparing Gears and the Like | gear measuring machines | |
| 1,916,118 | Jun. 27, 1933 | W.G. Hoelscher, A.E. Robinson | Lapping Machine | gear lapping machines | |
| 2,085,850 | Jul. 06, 1937 | W.H. Bock, J.C. Drader | Gear Speeder | gear measuring machines | |