All Patents in class 324/115 |
Patents 1 -
5
of 5
      |
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 |
5,412,312 | May 02, 1995 | R.D. Braun, M.M. Crass | Frequency and Instantaneous Voltage Level Meter | |