Granted Patent
Utility
US 6,016,194 · App. 09/113,986
Particles counting apparatus and method having improved particle sizing resolution
Inventors:
Kenneth L. Girvin, Richard K. DeFreez
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Jul 10, 1998
Inventors
Kenneth L. Girvin
Richard K. DeFreez
Assignee (at issue)
Pacific Scientific Instruments Company
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.