Granted Patent
Utility
US 4,778,835 · App. 06/940,824
Process and apparatus for preparing polyester dissipations
Inventors:
Chester N. Sittel, Mark A. Pollock
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Dec 12, 1986
Inventors
Chester N. Sittel
Mark A. Pollock
Assignee (at issue)
EASTMAN KODAK 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.