1631285

Information

• Patent Grant
• 1631285

• References
• Source

• Patent Number

  1,631,285

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1927
  97 years ago

• CPC

  • G01L23/32 - Apparatus specially adapted for recording pressure changes measured by indicators

• US Classifications

  • 346 - Recorders