3191512

Information

• Patent Grant
• 3191512

• References
• Source

• Patent Number

  3,191,512

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1965
  59 years ago

• CPC

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

• US Classifications

  • 396 - Photography