Granted Patent
Utility
US 4,120,949 · App. 05/839,332
Ophthalmic solution
Inventors:
Krishna M. Bapatla, Katharyn M. Brychta
Patented Case
View Patent ↗
Granted: Oct 17, 1978
Filed: Oct 5, 1977
Inventors
Krishna M. Bapatla
Katharyn M. Brychta
Assignee (at issue)
Cooper 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.