DH

David M. Heffelfinger

BL Bio-Rad Laboratories: 11 patents #56 of 739Top 8%
AI Alpha Innotech: 2 patents #1 of 6Top 20%
Becton, Dickinson And: 2 patents #1,271 of 2,926Top 45%
BI Biometric Imaging: 2 patents #8 of 18Top 45%
Overall (All Time): #258,813 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
7948184 Vehicle testing lamp apparatus, system, and method David A. Pringle, David McDonald, Ashot Nalbandyan 2011-05-24
7016087 Photon efficient scanner Aram P. Schiffman, Bala S. Manian 2006-03-21
6995901 Optical analysis systems 2006-02-07
6853454 Optical analysis systems 2005-02-08
6750457 System for high throughput analysis Aram P. Schiffman, Bala S. Manian 2004-06-15
6441894 Optical autofocus for use with microtiter plates Bala S. Manian, Edward M. Goldberg 2002-08-27
6130745 Optical autofocus for use with microtiter plates Bala S. Manian, Edward M. Goldberg 2000-10-10
6043506 Multi parameter scanner Rebecca A. Batterson, Renato Salgado 2000-03-28
5951838 Method and apparatus for correcting illumination non-uniformities Craig Van Horn 1999-09-14
5897760 Method and apparatus for the removal of non-uniformities in an electrophoresis apparatus Craig Van Horn 1999-04-27
5891314 Method and apparatus for correcting lens non-uniformities in an electrophoresis apparatus Craig Van Horn 1999-04-06
5885531 Fluorescence imaging instrument utilizing fish Franklin R. Witney 1999-03-23
5863504 Fluorescence imaging instrument utilizing fish Franklin R. Witney 1999-01-26
5799773 Method and apparatus for correcting lens and detector non-uniformities Craig Van Horn 1998-09-01
5792610 Method for conducting multiparametric fluorescence in situ hybridization Franklin R. Witney 1998-08-11
5784152 Tunable excitation and/or tunable detection microplate reader Franklin R. Witney, Chris Cunanan 1998-07-21
5591981 Tunable excitation and/or tunable emission fluorescence imaging Franklin R. Witney 1997-01-07
5266803 Fiber optic storage phosphor imaging plate scanner 1993-11-30