Hall; A. Risher
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hall; A. Risher.The latest application filed is for "invisible mullion assembly".
- Hall; A. Risher - Willow Street PA
- Hall; A. Risher - Vincentown NJ
| Patent | Date |
|---|---|
| Invisible mullion assembly Grant 5,026,581 - Shea, Jr. , et al. June 25, 1 | 1991-06-25 |
| Window unit Grant 4,464,874 - Shea, Jr. , et al. August 14, 1 | 1984-08-14 |
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