Granted Patent
Utility
US 4,918,488 · App. 07/371,488
Scavenging apparatus
Inventors:
Clyde M. Creveling, Carl R. Bothner, Timothy G. Armstrong, Richard A. Weitzel
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Jun 26, 1989
Inventors
Clyde M. Creveling
Carl R. Bothner
Timothy G. Armstrong
Richard A. Weitzel
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.