3536394

Information

• Patent Grant
• 3536394

• References
• Source

• Patent Number

  3,536,394

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1970
  54 years ago

• CPC

  • G03B21/11 - for microfilm reading
  • G03B27/523 - for full time exposure

• US Classifications

  • 353 - Optics: image projectors