3457937

Information

• Patent Grant
• 3457937

• References
• Source

• Patent Number

  3,457,937

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1969
  55 years ago

• CPC

  • F15C1/143 - for digital operation
  • Y10T137/2147 - To cascaded plural devices

• US Classifications

  • 137 - Fluid handling