Ventilated roofing system

Assignee

• W.P. Hickman

Inventors

• William C. Webb (7 patents)
• Richard G. Tuttle (6 patents)
• Donald W. Schultz (7 patents)
• Ralph Kirby (7 patents)
• John B. Hickman (21 patents)
• Nelson M. Ferg (5 patents)
• Mark D. Braine (7 patents)

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