GS

Glenn E. Spangler

ET Environmental Technologies: 6 patents #1 of 31Top 4%
BL Bendix Limited: 3 patents #90 of 548Top 20%
AC Allied Consulting: 2 patents #297 of 1,310Top 25%
AL Alliedsignal: 1 patents #1,187 of 2,631Top 50%
Overall (All Time): #356,805 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6407382 Discharge ionization source 2002-06-18
6124592 Ion mobility storage trap and method 2000-09-26
5338931 Photoionization ion mobility spectrometer Joseph E. Roehl, Gautam B. Patel, Alvin Dorman 1994-08-16
5083019 Preconcentrator for ion mobility spectrometer 1992-01-21
5053343 Selective ionization of gas constituents using electrolytic reactions Kishore N. Vora, Donald N. Campbell, Robert C. Davis, Julio A. Reategui 1991-10-01
5021654 All ceramic ion mobility spectrometer cell Donald N. Campbell, Robert C. Davis, Eugene F. Fafaul, John P. Carrico 1991-06-04
4950893 Method and apparatus for enhanced ion spectra generation and detection in ion mobility spectrometry Julio A. Reategui, Joseph L. Mangum 1990-08-21
4928033 Thermionic ionization source John P. Carrico, Donald N. Campbell 1990-05-22
4839143 Selective ionization of gas constituents using electrolytic reactions Kishore N. Vora, Donald N. Campbell, Robert C. Davis, Julio A. Reategui 1989-06-13
4712008 Ion mobility spectrometer Kishore N. Vora, John P. Carrico, Sr., Donald N. Campbell, Charles E. Martin 1987-12-08
4551624 Ion mobility spectrometer system with improved specificity John N. Cox 1985-11-05
4445038 Apparatus for simultaneous detection of positive and negative ions in ion mobility spectrometry John F. Wroten, Jr. 1984-04-24
4378499 Chemical conversion for ion mobility detectors using surface interactions Donald N. Campbell, Stanley Seeb 1983-03-29
4311669 Membrane interface for ion mobility detector cells 1982-01-19