Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863813 | Flame sensor | Michael Charles Spalding, Jiyuan Liu, Frederick Louis Glesius, Jeffrey Louis Johanning, Leo Lombardo +1 more | 2018-01-09 |
| 6013919 | Flame sensor with dynamic sensitivity adjustment | Leo Lombardo | 2000-01-11 |
| 5812620 | Proportional counter | — | 1998-09-22 |
| 4623508 | Wide range flux monitor assembly | Frederick Louis Glesius, John Kroon, Arne L. Myrabo | 1986-11-18 |