Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D521399 | Level | Robert A. Johnson | 2006-05-23 |
| 6243957 | Insert molding of a liquid-containing member, such as a level vial, and an article of manufacture formed thereby | Richard J. Gruetzmacher, James Koehler | 2001-06-12 |