3650075

Information

• Patent Grant
• 3650075

• References
• Source

• Patent Number

  3,650,075

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1972
  52 years ago

• CPC

  • B24B49/12 - involving optical means
  • B24B17/04 - involving optical auxiliary means

• US Classifications

  • 451 - Abrading