Granted Patent
Utility
US 5,999,250 · App. 09/042,921
System for detecting fluorescing components in aerosols
Inventors:
Peter P. Hairston, Frederick R. Quant
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Mar 17, 1998
Inventors
Peter P. Hairston
Frederick R. Quant
Assignee (at issue)
TSI Group Co., Ltd.
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.