| All Patents in class 324/115 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 392,386 | Nov. 06, 1888 | E. Weston | Electrical Measuring Apparatus | electrical measuring apparatus |
| 392,387 | Nov. 06, 1888 | E. Weston | Electrical Measuring Apparatus | electrical measuring apparatus |
| 427,022 | Apr. 29, 1890 | E. Weston | Electrical Measuring Instrument | electrical measuring apparatus |
| 2,780,800 | Feb. 05, 1957 | M.T. Thorsson, L.J. Lauler | Remote Indicator for Scales | scales and balances |
| 5,142,221 | Aug. 25, 1992 | G.B. Bacon, G.A. Meldrum | Automatic Function Selecting Multimeter | electric or electronic testing apparatus |
| 5,412,312 | May 02, 1995 | R.D. Braun, M.M. Crass | Frequency and Instantaneous Voltage Level Meter | |
