Granted Patent
Utility
US 5,145,874 · App. 07/663,037
Cyclic hydrocarbons with an aminoalkyl sidechain
Inventors:
Roy A. Johnson, Gordon L. Bundy, Gilbert A. Youngdale, Douglas R. Morton, Jr., Donald P. Wallach, deceased, by Vera M. Wallach, legal representative
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Feb 25, 1991
Inventors
Roy A. Johnson
Gordon L. Bundy
Gilbert A. Youngdale
Douglas R. Morton, Jr.
Donald P. Wallach, deceased
by Vera M. Wallach, legal representative
Assignee (at issue)
The Upjohn Co.
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.