Granted Patent
Utility
US 4,627,940 · App. 06/427,088
Process for preparing a polyamide
Inventors:
Earl R. Beaver, J. Harvey Lester, Jr., Thomas Thompson
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Sep 29, 1982
Inventors
Earl R. Beaver
J. Harvey Lester, Jr.
Thomas Thompson
Assignee (at issue)
Monsanto 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.