1819308

Information

• Patent Grant
• 1819308

• References
• Source

• Patent Number

  1,819,308

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1931
  92 years ago

• CPC

  • B24B5/32 - the work-supporting means being indexable

• US Classifications

  • 451 - Abrading