Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162263 | Insert for gutter and downspout | Curtis R. Richardson, Matthew M. Glanzer | 2021-11-02 |
| 10738472 | Insert for gutter and downspout | Curtis R. Richardson, Matthew M. Glanzer | 2020-08-11 |