1207855

Information

• Patent Grant
• 1207855

• References
• Source

• Patent Number

  1,207,855

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1916
  108 years ago

• CPC

  • E04H13/005 - Ventilation systems therefor

• US Classifications

  • 052 - Static structures
  • 454 - Ventilation