Granted Patent
Utility
US 4,575,486 · App. 06/545,760
Process for differentiating the origin of particles in urine
Inventor:
Cleve W. Laird
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Oct 26, 1983
Inventor
Cleve W. Laird
Assignee (at issue)
International Remote Imaging Systems, 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.