Granted Patent
Utility
US 4,354,858 · App. 06/296,614
Method for filtering particulates
Inventors:
Tribhawan Kumar, Kris E. Wolpert
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Aug 27, 1981
Inventors
Tribhawan Kumar
Kris E. Wolpert
Assignee (at issue)
General Electric 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.