Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9857205 | Encoder system with a desired radial alignment and axial gap | — | 2018-01-02 |
| 7090010 | Gauge carrier sub apparatus | — | 2006-08-15 |
| 6796994 | Device for the treatment of mucositis | Ronald W. Ignatius, Charles E. Kirk | 2004-09-28 |
| 6563108 | System for tracking angular and linear motion | James E. Stevens | 2003-05-13 |
| 5728090 | Apparatus for irradiating living cells | Ronald W. Ignatius | 1998-03-17 |
| 5660461 | Arrays of optoelectronic devices and method of making same | Ronald W. Ignatius | 1997-08-26 |
| 5278432 | Apparatus for providing radiant energy | Ronald W. Ignatius | 1994-01-11 |
| 5012609 | Method and apparatus for irradiation of plants using optoelectronic devices | Ronald W. Ignatius, Raymond J. Bula, Robert C. Morrow, Theodore W. Tibbitts | 1991-05-07 |