| All Patents in class 73/1.12 |
Patents 1 -
6
of 6
      |
| Picture | Number | Date | Patentee | Title |
| | 3,255,624 | Jun. 14, 1966 | K.R. Larson | Apparatus for Testing and Checking Measuring Devices |
| | 3,456,485 | Jul. 22, 1969 | K.R. Larson | Testing Device for Torque Wrenches |
| | 3,498,103 | Mar. 03, 1970 | K.R. Larson | Dead Weight Checking Attachment for Calibrating Torque Wrench Testing Apparatus |
| | 3,608,353 | Sep. 28, 1971 | K.R. Larson | Checking and Testing Devices for Force Measuring Instruments |
| | 3,675,464 | Jul. 11, 1972 | K.R. Larson | Portable Testing and Checking Apparatus with Adjustable Mounts |
| | 3,738,152 | Jun. 12, 1973 | T.O. Green | Pointers, Dials, and Methods of Calibrating Dials for Measuring Instruments |
