Granted Patent
Utility
US 5,587,581 · App. 08/509,382
Method and an apparatus for an air sample analysis
Inventor:
Peter C. Stroosnyder
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Jul 31, 1995
Inventor
Peter C. Stroosnyder
Assignee (at issue)
Environmental Technologies, LLC
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.