2258809

Information

• Patent Grant
• 2258809

• References
• Source

• Patent Number

  2,258,809

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1941
  83 years ago

• CPC

  • F02D39/02 - for four-stroke engines

• US Classifications

  • 136 - Batteries: thermoelectric and photoelectric