Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D374892 | Set of color coded labels for organizing books | Michael D. Nalepka | 1996-10-22 |
| 5449202 | Method and apparatus for color coded library and shelved media system | Michael D. Nalepka | 1995-09-12 |