Granted Patent
Utility
US 4,245,509 · App. 06/021,069
Sampling apparatus
Inventors:
Dinesh I. MODY, Carolyn Bergkvist, Gustav H. Dreier
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Mar 16, 1979
Inventors
Dinesh I. MODY
Carolyn Bergkvist
Gustav H. Dreier
Assignee (at issue)
Instrumentation Laboratory 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.