| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1981-09-15 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,288,909 | Sep. 15, 1981 | J.T. Currer, A. Schabowski, E.J. Kielma | Automatic Tool Changer for Machine Tools | tool changers and storage mechanisms | |
| 4,289,066 | Sep. 15, 1981 | N.J. Proga | Hydraulic position control for mechanical power press slides | stamping presses | |
| 4,289,923 | Sep. 15, 1981 | R.W. Ebert | Strain relief grommet in combination with a cord set extending from an electric motor | electric motors | |