Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349795 | Width-adjustable stairway step tread and method for constructing a stairway therewith | Steven C. Johnson | 1994-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349795 | Width-adjustable stairway step tread and method for constructing a stairway therewith | Steven C. Johnson | 1994-09-27 |