| Patents Granted on 1981-08-?? |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 4,281,538 | Aug. 04, 1981 | E.C. Dudek | Transducer for indicating torque | |
| 4,281,928 | Aug. 04, 1981 | A.N. Brunson | Optical Transit Square with Focusable Crossing Telescopes | surveyor |
| CA-1,106,974 | Aug. 11, 1981 | L.D. Ostby, R. Johnstone | Method and apparatus for remote display of analog signals occurring in computer controlled machine tools | machine tool controls |
| 4,284,257 | Aug. 18, 1981 | D.W. Murkens | Precision Surface Gage | measurement gauges |
| GB-2,068,791 | Aug. 19, 1981 | J. Harman | Chucks | metal lathe chucks |
