Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619143 | Combined particle vapor sampler | Ludmila Danylewych-May, John Davies, Sabatino Nacson | 2003-09-16 |
| 6446514 | Combined particle/vapor sampler | Ludmila Danylewych-May, John Davies, Sabatino Nacson | 2002-09-10 |
| 6291821 | Method of monitoring the status of the gas drying system in an ion mobility spectrometer | Ludmila Danylewych-May | 2001-09-18 |
| 5741984 | Method and apparatus for sample collection by a token | Ludmila Danylewych-May, John Davies | 1998-04-21 |
| 5552600 | Pressure stabilized ion mobility spectrometer | John Davies, Ronald A. Jackson | 1996-09-03 |
| 5425263 | Method for inspecting an article for concealed substances | John Davies | 1995-06-20 |
| 5405781 | Ion mobility spectrometer apparatus and method, incorporating air drying | John Davies, Sydney T. Wiles | 1995-04-11 |