Patents for Robert R. Finn |
Patents 1 -
10
of 16
      |
Picture | Number | Date | Patentee | Title |
| 1,766,598 | Jun. 24, 1930 | R.R. Finn, E.T. Bysshe | Screw-Cutting Die |
| 1,804,459 | May 12, 1931 | R.R. Finn, E.T. Bysshe | Screw-Cutting Die |
| 1,858,390 | May 17, 1932 | R.R. Finn, E.T. Bysshe | Torsion Released Die |
| 1,866,542 | Jul. 12, 1932 | R.R. Finn, E.T. Bysshe | Chaser |
| 1,924,735 | Aug. 29, 1933 | R.R. Finn, E.T. Bysshe | Means for Holding Chasers |
| 1,953,528 | Apr. 03, 1934 | R.R. Finn, E.T. Bysshe | Chaser |
| 1,953,529 | Apr. 03, 1934 | R.R. Finn, E.T. Bysshe | Automatic Die |
| 1,979,023 | Oct. 30, 1934 | R.R. Finn, E.T. Bysshe | Gauge for Chaser Grinding |
| 1,979,024 | Oct. 30, 1934 | R.R. Finn, E.T. Bysshe | Screw Threading Die |
| 2,035,780 | Mar. 31, 1936 | R.O. Beardsley, R.R. Finn, E.T. Bysshe | Comparator |