439908

Information

• Patent Grant
• 439908

• References
• Source

• Patent Number

  439,908

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1890
  134 years ago

• CPC

  • A61N1/056 - Transvascular endocardial electrode systems
  • A61D1/10 - Embryotomic instruments

• US Classifications

  • 606 - Surgery