Hasty; William E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hasty; William E..The latest application filed is for "multiple size vent-pipe elastomeric collar".
- Hasty; William E. - Dallas TX
| Patent | Date |
|---|---|
| Multiple size vent-pipe elastomeric collar Grant 5,222,334 - Hasty * June 29, 1 | 1993-06-29 |
| Multiple size vent-pipe roof flashing Grant 5,036,636 - Hasty August 6, 1 | 1991-08-06 |
| Universal flashing for roof vent pipes Grant 4,563,847 - Hasty January 14, 1 | 1986-01-14 |
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