Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079165 | Portable shopping aid | Michael J. Buerchner, Michael J. Strasser, William G. Tannen | 2011-12-20 |
| D628874 | Carabiner | Michael J. Buerchner | 2010-12-14 |
| 7673410 | Portable shopping aid | Michael J. Buerchner, Michael J. Strasser, William Tammen | 2010-03-09 |
| D547023 | Shopping list holder | Michael J. Buerchner, Michael J. Strasser, William Tammen | 2007-07-17 |