Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6082019 | Construction aid for determining length and angle of stair railings | John Lapp, Reuben B. Lapp | 2000-07-04 |
| 5122218 | Tubular plastic crimping method and apparatus | John Lapp, Lloyd M. Martin | 1992-06-16 |