Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708462 | Microprocessor controlled thermal printer | Donald A. Morrison, Rex D. Watkins, Richard D. Wirrig | 1998-01-13 |
| 5506613 | Thermal print head control for printing serial bar codes | Donald A. Morrison, Lorraine T. Porter, Richard D. Wirrig | 1996-04-09 |
| 5497450 | Universal controller interface for barcode printers | David N. Long, David W. Riley, Mitchell G. Stern | 1996-03-05 |
| 5400058 | Thermal print head control for printing serial bar codes | Donald A. Morrison, Lorraine T. Porter, Richard D. Wirrig | 1995-03-21 |
| 5227617 | Hand-held label applicator with scanned data acquistion and selective data retrieval acquistion | Amy S. Christopher, Donald A. Morrison, Richard D. Wirrig | 1993-07-13 |
| 5061946 | Microprocessor controlled thermal printer | Richard D. Wirrig | 1991-10-29 |