1446748

Information

• Patent Grant
• 1446748

• References
• Source

• Patent Number

  1,446,748

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1923
  101 years ago

• CPC

  • G01R5/28 - Electrostatic instruments
  • G01R5/30 - Leaf electrometers

• US Classifications

  • 324 - Electricity: measuring and testing