Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476999 | Autochanger for storing and transferring multiple media items, such as tape cartridges, relative to a read/write mechanism | William Stewart Meikle, Phillip Roy Williams | 2002-11-05 |
| 6160678 | Autochanger for storing and transferring multiple media items, such as tape cartridges, relative to a read/write mechanism | William Stewart Meikle, Phillip Roy Williams | 2000-12-12 |
| D361687 | Magazine for tape cartridges or cassettes | James C. Dow, Phillip Roy Williams, Thomas Riester | 1995-08-29 |
| 4779152 | Tape cartridge record/plackback apparatus | Manuel A. Escuder, Benjamin Wilkinson | 1988-10-18 |