Granted Patent
Utility
US 4,331,575 · App. 06/249,758
Drier systems and surface-coating compositions containing same
Inventors:
Martin L. Feldman, Marvin Landau
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Apr 1, 1981
Inventors
Martin L. Feldman
Marvin Landau
Assignee (at issue)
Tenneco Chemicals, Inc.
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.