Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207039 | Footboard for indoor staircase | — | 1993-05-04 |
| 5167102 | Reversible footboard for staircase | Takashi Kobayashi | 1992-12-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207039 | Footboard for indoor staircase | — | 1993-05-04 |
| 5167102 | Reversible footboard for staircase | Takashi Kobayashi | 1992-12-01 |