3788441

Information

• Patent Grant
• 3788441

• References
• Source

• Patent Number

  3,788,441

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  51 years ago

• CPC

  • B41J5/40 - by magnetic or electrostatic records
  • B41J3/50 - Mechanisms producing characters by printing and also producing a record by other means

• US Classifications

  • 400 - Typewriting machines