| 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 |
