Granted Patent
Utility
US 5,100,621 · App. 07/246,734
Test kit for diagnostic procedures
Inventors:
Carl M. Berke, Thomas L. Collins, David P. Leja, Ronald W. Mink
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Sep 20, 1988
Inventors
Carl M. Berke
Thomas L. Collins
David P. Leja
Ronald W. Mink
Assignee (at issue)
Hygeia Sciences, 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.