Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11707638 | Powered air breathing apparatus | Albert F. Zwolinsky, Christopher G. Hall | 2023-07-25 |
| 10695592 | Powered air breathing apparatus | Albert F. Zwolinsky, Christopher G. Hall | 2020-06-30 |
| 10668307 | Breathing apparatus | Albert F. Zwolinsky, Christopher G. Hall | 2020-06-02 |
| 9582610 | Visual post builder | Rajeev Karunakaran, Richard Ignacio Zaragoza, Steven W. Ickman, David Arthur Raskino, William L. Portnoy | 2017-02-28 |
| 9387299 | Improvements to powered air breathing apparatus | Albert F. Zwolinsky, Christopher G. Hall | 2016-07-12 |
| 9195757 | Dynamic digital montage | William L. Portnoy, Richard Ignacio Zaragoza, Matthew Bret MacLaurin, Craig Jensen, Bradley Gibson +4 more | 2015-11-24 |
| 6128872 | Cable protection system | Richard D. Bell | 2000-10-10 |
| 5460041 | Apparatus and method for continuous measurement of the wet bulb temperature of a flue gas stream | Gary M. Andes, Andrew D. Burnette, Lawrence R. Lepovitz | 1995-10-24 |