Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876233 | DC cancellation apparatus and method | — | 2005-04-05 |
| 6217488 | Lower extremity rehabilitation and toning exercise apparatus method | — | 2001-04-17 |
| 5851166 | Lower extremity rehabilitation and toning exercise apparatus and method | — | 1998-12-22 |
| D383510 | Pivot board exercise device | — | 1997-09-09 |
| 5610505 | Voltage-to-current converter with MOS reference resistor | Dale H. Nelson | 1997-03-11 |
| 4598266 | Modulo adder | — | 1986-07-01 |
| 4596027 | Counter/divider apparatus | — | 1986-06-17 |
| 4588980 | Residue to analog converter | — | 1986-05-13 |
| 4584562 | Method of residue to analog conversion | — | 1986-04-22 |
| 4584563 | Method of residue to analog conversion | — | 1986-04-22 |
| 4584564 | Residue to analog converter | — | 1986-04-22 |
| 4584561 | Method of residue to analog conversion | — | 1986-04-22 |