Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9885478 | Process for generating combustible gas from organic feedstock and reactors therefor | David F. May, Paul Aiken | 2018-02-06 |
| 6932002 | System and method of processing solid waste | David F. May | 2005-08-23 |
| 6332709 | Contact temperature probe with thermal isolation | André Cardoso, Joseph G. McGinnity | 2001-12-25 |
| 5743270 | Resistive element for spirometer | Peter J. Gazzara | 1998-04-28 |
| D347909 | Face shield | Peter J. Gazzara | 1994-06-14 |
| 5303423 | Face shield/mask combination | Peter J. Gazzara | 1994-04-19 |
| 5246010 | Method and apparatus for exhalation analysis | Peter J. Gazzara | 1993-09-21 |
| 5113528 | Face shield | Peter J. Gazzara | 1992-05-19 |
| 4850235 | Variable speed tractive transmission | — | 1989-07-25 |
| 4421120 | Peak respiratory flow monitor | Rodney C. Edwards, Peter J. Gazzara | 1983-12-20 |
| 4324127 | Spirometer calibration device and associated displacement detection system | Peter J. Gazzara, Rodney C. Edwards | 1982-04-13 |