CJ

Charles W. Robertson, Jr.

EA E.I. Du Pont De Nemours And: 6 patents #1,240 of 8,010Top 20%
NT Nanodrop Technologies: 5 patents #1 of 8Top 15%
📍 Rockland, DE: #2 of 7 inventorsTop 30%
🗺 Delaware: #585 of 7,163 inventorsTop 9%
Overall (All Time): #325,236 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
8223338 Optical path length sensor and method for optimal absorbance measurements Damian W. Ashmead, Thomas A. Tokash 2012-07-17
8189199 Dual sample mode spectrophotometer Catherine T. Williams, Jonathan Pundt 2012-05-29
7872749 Instrument for making optical measurements on multiple samples retained by surface tension Thomas A. Tokash, Paul S. Zdinak 2011-01-18
7623225 Photometer with modular light emitter Joel B. Hansen, Dale Lee Heintzelman, Thomas A. Tokash, Paul S. Zdinak, Damian W. Ashmead +1 more 2009-11-24
7397036 Apparatus and method for measuring the signal from a fluorescing nanodrop contained by surface tension Joel B. Hansen 2008-07-08
6809826 Liquid photometer using surface tension to contain sample 2004-10-26
6628382 Liquid photometer using surface tension to contain sample 2003-09-30
6547771 Non-invasive female urinary device Janet Robertson 2003-04-15
5502957 Electric lawn mower with intelligent control 1996-04-02
D365153 Reagent carrier 1995-12-12
5332666 Method, system and reagents for DNA sequencing James M. Prober, Rudy J. Dam, Frank W. Hobbs, Jr., George L. Trainor 1994-07-26
5306618 Method systems and reagents for DNA sequencing James M. Prober, Rudy J. Dam, Frank W. Hobbs, Jr., George L. Trainor 1994-04-26
4958930 Apparatus for monitoring thickness variations in a film web 1990-09-25
4833332 Scanning fluorescent detection system Rudy J. Dam, James M. Prober 1989-05-23
4730922 Absorbance, turbidimetric, fluorescence and nephelometric photometer David T. Bach 1988-03-15