1915789

Information

• Patent Grant
• 1915789

• References
• Source

• Patent Number

  1,915,789

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1933
  91 years ago

• CPC

  • B24B5/245 - for mass articles
  • Y10T29/47 - Burnishing
  • Y10T29/49693 - Roller making

• US Classifications

  • 451 - Abrading
  • 029 - Metal working