1791356

Information

• Patent Grant
• 1791356

• References
• Source

• Patent Number

  1,791,356

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1931
  93 years ago

• CPC

  • B30B1/22 - driven through friction disc means

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus