Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897109 | Oxygen monitoring apparatus | Lawrence L. Labuda, Perry R. Blazewicz, Leslie E. Mace, Jerry R. Apperson | 2011-03-01 |
| 6616896 | Oxygen monitoring apparatus | Lawrence L. Labuda, Perry R. Blazewicz, Leslie E. Mace, Jerry R. Apperson | 2003-09-09 |
| 6325978 | Oxygen monitoring and apparatus | Lawrence L. Labuda, Perry R. Blazewicz, Leslie E. Mace, Jerry R. Apperson | 2001-12-04 |
| 5793044 | Infrared radiation detector units and methods of assembling transducers in which said units are incorporated | Leslie E. Mace, Lawrence L. Labuda, Gerald R. Apperson, Joseph Sams | 1998-08-11 |
| 5251121 | Power supplies | Daniel W. Knodle, Paul K. Graham | 1993-10-05 |
| 5206511 | Calibrators for infrared-type gas analyzers | Jerry R. Apperson, Paul K. Graham, Leslie E. Mace, James T. Russell, Lawrence L. Labuda | 1993-04-27 |