Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6296133 | Container for vinyl siding | — | 2001-10-02 |
| 5421537 | Enlarged end cap assembly made from smaller end caps | Charles P. Keip | 1995-06-06 |
| 5100076 | Fabric roll | Charles P. Keip | 1992-03-31 |