Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5001838 | Spirit level | by Mary E. Huxley, heir, Garry I. Lewis | 1991-03-26 |
| D311341 | Combined spirit level and angle-indicated device | Garry I. Lewis | 1990-10-16 |
| D311343 | Combined spirit level and angle-indicating device | Garry I. Lewis | 1990-10-16 |