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Home › Design for a tab portion of a shingle

Design for a tab portion of a shingle

US Patent D340294 · Granted Oct 12, 1993

Assignee

Certainteed

Inventors

Marcia G. Hannah (12 patents)
George W. Mehrer (19 patents)
Michael J. Noone (50 patents)
Kermit E. Stahl (50 patents)
Joseph Quaranta (28 patents)

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