Granted Patent
Utility
US 6,061,132 · App. 09/119,379
Dual detector array with noise cancellation for a particle size detection device
Inventors:
Kenneth L. Girvin, Richard K. DeFreez
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Jul 20, 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.