2538988

Information

• Patent Grant
• 2538988

• References
• Source

• Patent Number

  2,538,988

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1951
  74 years ago

• CPC

  • G06M3/021 - with drums type indicating means
  • G06M3/024 - by adding
  • G06M3/043 - with drums

• US Classifications

  • 235 - Registers