1812380

Information

• Patent Grant
• 1812380

• References
• Source

• Patent Number

  1,812,380

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1931
  93 years ago

• CPC

  • A62B18/06 - Gas masks for animals

• US Classifications

  • 128 - Surgery
  • 241 - Solid material comminution or disintegration