Granted Patent
Utility
US 5,985,672 · App. 09/009,015
Method and apparatus for pre-treating samples in an automatic chemical analyzer
Inventors:
Joseph E. Kegelman, John P. Mizzer, Edward A. Nuzzaci, Allan Tit-Shing Chow
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Jan 20, 1998
Inventors
Joseph E. Kegelman
John P. Mizzer
Edward A. Nuzzaci
Allan Tit-Shing Chow
Assignee (at issue)
Dade Behring Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.