| Patents Granted on 1958-10-21 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 2,856,694 | Oct. 21, 1958 | E.E. Bianco | Micrometer Calipers, Micrometer Heads and the Like | micrometers |
| 2,856,797 | Oct. 21, 1958 | C.F. Dassance | Variable speed geared pulley | industrial machine gearing |
| 2,856,828 | Oct. 21, 1958 | E.G. Lewis, G.H. Brown | Impacting machine | compacting machines |
| 2,856,975 | Oct. 21, 1958 | W.A. Addis | Edge trimmer attachment for hand portable power tools | handheld routers |
| 2,857,166 | Oct. 21, 1958 | A.D. Tognetti, H. Conn | Quick Change Tool Holder | metalworking machine tool holders |
