Granted Patent
Utility
US 4,778,697 · App. 06/802,877
Polymeric films
Inventors:
Roger P. Genske, Yong Joo Kim, Russell P. Gehrke, Richard E. Johnson, R. Daniel Webster, Leonard F. Czuba
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Nov 29, 1985
Inventors
Roger P. Genske
Yong Joo Kim
Russell P. Gehrke
Richard E. Johnson
R. Daniel Webster
Leonard F. Czuba
Assignees (at issue)
American National Can Company
Baxter Travenol Laboratories, 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.