Patents Assigned to Blocksom & Co.
  • Patent number: 6343985
    Abstract: An improved roof ridge ventilation system utilizing a mat of randomly-aligned natural fibers which formed into a web by air-laying on a polyester mesh and bonded with a heat-cured latex bonding agent. The natural fiber mat provides improved airflow while excluding water, dust and pests such as insects and rodents and is more economical that competing materials. The mat is conveniently manufactured in rolls for ease of transport and installation.
    Type: Grant
    Filed: January 14, 2000
    Date of Patent: February 5, 2002
    Assignee: Blocksom & Co.
    Inventor: Douglas A. Smith