3087396

Information

• Patent Grant
• 3087396

• References
• Source

• Patent Number

  3,087,396

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1963
  61 years ago

• CPC

  • G03B7/06 - by a follow-up movement of an associated reference mark to the pointer

• US Classifications

  • 396 - Photography