3691646

Information

• Patent Grant
• 3691646

• References
• Source

• Patent Number

  3,691,646

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • A45D20/26 - Guiding the air Regulating the air quantity

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • D28 - Cosmetic products and toilet articles