| 11246951 |
Method and apparatus for sterilizing and disinfecting air and surfaces and protecting a zone from external microbial contamination |
— |
2022-02-15 |
| 9700642 |
Method and apparatus for sterilizing and disinfecting air and surfaces and protecting a zone from external microbial contamination |
— |
2017-07-11 |
| 8975605 |
Method and apparatus for producing a high level of disinfection in air and surfaces |
— |
2015-03-10 |
| 8753575 |
Method and apparatus for sterilizing and disinfecting air and surfaces and protecting a zone from external microbial contamination |
— |
2014-06-17 |
| 8481985 |
Method and apparatus for producing a high level of disinfection in air and surfaces |
— |
2013-07-09 |
| 6132692 |
Barrier discharge conversion of SO.sub.2 and NOx to acids |
Francis R. Alix, Christopher R. McLarnon, Phillip D. Boyle |
2000-10-17 |
| 6117403 |
Barrier discharge conversion of Hg, SO.sub.2 and NOx |
Francis R. Alix, Christopher R. McLarnon |
2000-09-12 |
| 5920474 |
Power supply for electrostatic devices |
Nathaniel M. Johnson |
1999-07-06 |
| 5903450 |
Electrostatic precipitator power supply circuit having a T-filter and pi-filter |
Nathaniel M. Johnson |
1999-05-11 |
| 5871703 |
Barrier discharge conversion of SO.sub.2 and NOx to acids |
Francis R. Alix, Christopher R. McLarnon |
1999-02-16 |
| 5777437 |
Annular chamber flashlamp including a surrounding, packed powder reflective material |
— |
1998-07-07 |
| 5631818 |
Power supply for electrostatic preciptator electrodes |
Nathaniel M. Johnson, Carl F. Butler, deceased |
1997-05-20 |
| 5629842 |
Two-stage, high voltage inductor |
Nathaniel M. Johnson |
1997-05-13 |
| 4250427 |
Dye laser flashlamp and method of making same |
— |
1981-02-10 |