Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D345930 | Combined casing and mounting bracket for a thermometer | Michael K. Lewis | 1994-04-12 |
| 5074516 | Apparatus for rotatable attachment of an instrument with respect to environmental structure | Michael K. Lewis | 1991-12-24 |