3720411

Information

• Patent Grant
• 3720411

• References
• Source

• Patent Number

  3,720,411

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • F41J13/02 - combined with targets
  • Y10S273/04 - Ethylene

• US Classifications

  • 273 - Amusement devices: games