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W F Products Corporation Patents |
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Assignee: W F Products Corporation
Address: Garland, TX
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4563847 |
Universal flashing for roof vent pipes |
January 14, 1986 |
| An improvement to a universal flashing for roof top and vent pipe geometries characterized by differing pipe diameters and roof slope angles. The present improvement relates to a ring collar assembly which comprises a plurality of stepped sealing portions, each portion adapted to eng |
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