3721168

Information

• Patent Grant
• 3721168

• References
• Source

• Patent Number

  3,721,168

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  52 years ago

• CPC

  • G03B7/04 - Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device

• US Classifications

  • 396 - Photography