Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845841 | Method and apparatus for constructing stairways | James M. Lapeyre | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845841 | Method and apparatus for constructing stairways | James M. Lapeyre | 1989-07-11 |