Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942033 | Systems for the detection of trace vapors and particles in air | — | 2011-05-17 |
| 7377188 | System for the detection of trace vapors and particles in air | — | 2008-05-27 |
| 7253727 | Security checkpoint | William J. McGann | 2007-08-07 |
| 6840122 | Portal trace detection systems for detection of imbedded particles | William J. McGann, Kevin J. Perry | 2005-01-11 |
| 6831273 | Ion mobility spectrometers with improved resolution | William J. McGann | 2004-12-14 |
| 6815670 | Materials and apparatus for the detection of contraband | William J. McGann, Joseph D. Napoli, Kevin J. Perry | 2004-11-09 |
| 6788211 | Apparatus and method using smoke and/or gas sensing in cooking devices | Andrian Kouznetsov | 2004-09-07 |
| 6765198 | Enhancements to ion mobility spectrometers | William J. McGann | 2004-07-20 |
| 6708572 | Portal trace detection systems for detection of imbedded particles | William J. McGann, Kevin J. Perry | 2004-03-23 |
| 6690005 | Ion mobility spectrometer | William J. McGann | 2004-02-10 |
| 6642513 | Materials and apparatus for the detection of contraband | William J. McGann, Joseph D. Napoli, Kevin J. Perry | 2003-11-04 |
| 5491337 | Ion trap mobility spectrometer and method of operation for enhanced detection of narcotics | William J. McGann | 1996-02-13 |
| 5352457 | Transdermal device | — | 1994-10-04 |
| 5200614 | Ion mobility spectrometers | — | 1993-04-06 |
| 5027643 | Method and apparatus for detecting low volatility atmospheric vapors | — | 1991-07-02 |
| 5007072 | X-ray diffraction inspection system | Peter W. STEPHENS | 1991-04-09 |
| 4964309 | Portal vapor detection system | — | 1990-10-23 |
| 4947352 | Temperature compensation in differential pressure leak detection | — | 1990-08-07 |
| 4940587 | Oral pharmaceutical composition through mucosa | Stewart T. Leslie, Ronald Brown Miller | 1990-07-10 |
| 4831254 | Ion drift detector | — | 1989-05-16 |
| 4772794 | Apparatus for the detection of airborne low volatility vapors | — | 1988-09-20 |
| 4515805 | Soluble sodium cromoglycate compositions | Peter Michael Newman | 1985-05-07 |
| 4304752 | Detection of tracer materials in the atmosphere | James E. Lovelock | 1981-12-08 |
| 4242107 | Apparatus for the separation of a constituent from an atmosphere | — | 1980-12-30 |