| Patents Granted on 1980-__-__ |
Patents 1 -
15
of 68
      |
| Number | Date | Patentee | Title | Type |
| 4,182,979 | Jan. 08, 1980 | W.P. Jezo, R.L. Douglas | D. C. Electric Torquing System | electronic circuitry and apparatus |
| 4,184,391 | Jan. 22, 1980 | O. Eckle | Facing and Boring Head | facing heads |
| 4,184,522 | Jan. 22, 1980 | J.A. Waite | Mechanized Bag Filling Apparatus | conveyors and hoppers |
| 4,185,376 | Jan. 29, 1980 | R. Johnstone | Unmanned Machining Center With Tool Checking | numerically controlled milling machines |
| 4,187,645 | Feb. 12, 1980 | F.W. Lind | Reactive system for accommodating belt stretch and tracking | belt sanders |
| 4,190,948 | Mar. 04, 1980 | E.J. Kielma | Vertical Spindle Machine Tool With Tiltable Spindle and Tiltable Automatic Tool Changer | tool changers and storage mechanisms |
| 4,192,104 | Mar. 11, 1980 | J.K. Patenaude | Dust shroud | surface grinders |
| 4,194,543 | Mar. 25, 1980 | L.M. Cotton | Grooving Indexer for Routing Apparatus | handheld power tool accessories |
| 4,194,703 | Mar. 25, 1980 | J.G. Roe | Tape measure | tape measures |
| D254,655 | Apr. 08, 1980 | D. Brickwood | Micrometer | micrometers |
| 4,196,506 | Apr. 08, 1980 | R.W. Reed | Tool Changer Machining Center | tool changers and storage mechanisms |
| 4,197,040 | Apr. 08, 1980 | W.W. Wawrzyniak | Facing and Boring Head | facing heads |
| 4,197,888 | Apr. 15, 1980 | L.M. Yock, R.A. Browning, A.L. McGee | Log centering apparatus and method using transmitted light and reference edge log scanner | wood lathe accessories |
| 4,198,699 | Apr. 15, 1980 | R.W. Caddell | Mass Memory Access Method and Apparatus | machine tool controls |
| 4,198,790 | Apr. 22, 1980 | P. Gruber | Method for Finishing Spherical Rollers | profile and contour grinders |
