Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641280 | Hand-holdable toy light tube | Michael F. Weber, Andrew J. Ouderkirk | 2003-11-04 |
| 6531230 | Color shifting film | Michael F. Weber, Timothy J. Nevitt, William W. Merrill, Kelly M. Roscoe, Andrew J. Ouderkirk +5 more | 2003-03-11 |