Penrod; Douglas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Penrod; Douglas S..The latest application filed is for "shingles with a thick appearance".
- Penrod; Douglas S. - Newark OH
| Patent | Date |
|---|---|
| Shingles With A Thick Appearance App 20210285217 - Grubka; Lawrence J. ; et al. | 2021-09-16 |
| Shingles with a thick appearance Grant 11,021,876 - Grubka , et al. June 1, 2 | 2021-06-01 |
| Shingles With A Thick Appearance App 20190177978 - Grubka; Lawrence J. ; et al. | 2019-06-13 |
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