4504

Information

• Patent Grant
• 4504

• References
• Source

• Patent Number

  4,504

• Date Filed

  Not available

• Date Issued

  Saturday, May 9, 1846
  178 years ago

• CPC

  • A61F7/02 - Compresses or poultices for effecting heating or cooling
  • Y10S165/047 - for cooling

• US Classifications

  • 165 - Heat exchange
  • 607 - Surgery: light, thermal, and electrical application