1537512

Information

• Patent Grant
• 1537512

• References
• Source

• Patent Number

  1,537,512

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1925
  99 years ago

• CPC

  • G06M1/068 - with switching means between two or more counting devices

• US Classifications

  • 235 - Registers