1963459

Information

• Patent Grant
• 1963459

• References
• Source

• Patent Number

  1,963,459

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1934
  90 years ago

• CPC

  • B24B19/006 - for grinding hollow glassware, bottles

• US Classifications

  • 451 - Abrading