Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369277 | Infrared source | Daniel W. Knodle, Lawrence L. Labuda | 1994-11-29 |
| 5251121 | Power supplies | Daniel W. Knodle, Walter A. Cooke | 1993-10-05 |
| 5206511 | Calibrators for infrared-type gas analyzers | Jerry R. Apperson, Leslie E. Mace, James T. Russell, Lawrence L. Labuda, Walter A. Cooke | 1993-04-27 |