1796955

Information

• Patent Grant
• 1796955

• References
• Source

• Patent Number

  1,796,955

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1931
  93 years ago

• CPC

  • G06G1/0047 - for printing

• US Classifications

  • 033 - Geometrical instruments
  • 235 - Registers