Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889244 | Storage container for audio cassette tape boxes and digital audio compact disc boxes | James K. Sankey | 1989-12-26 |
| 4871064 | Cassette storage container | James T. Weisburn, Richard R. Lewellen, Mark W. Geis | 1989-10-03 |
| 4871065 | Compact disc security package | Andrew W. Moock | 1989-10-03 |
| 4834238 | Cassette security package | James T. Weisburn | 1989-05-30 |