3575044

Information

• Patent Grant
• 3575044

• References
• Source

• Patent Number

  3,575,044

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1971
  53 years ago

• CPC

  • G01N29/0636 - with permanent recording
  • Y10S73/90 - Automatic gain control

• US Classifications

  • 073 - Measuring and testing
  • 228 - Metal fusion bonding