Granted Patent
Utility
US 4,404,155 · App. 06/345,274
Method of forming gas chromatographic supports
Inventors:
Christian John Miga, Millard Mills
Patented Case
View Patent ↗
Granted: Sep 13, 1983
Filed: Feb 3, 1982
Inventors
Christian John Miga
Millard Mills
Assignee (at issue)
Manville Service Corporation
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.