Granted Patent
Utility
US 4,705,891 · App. 06/867,130
Substituted .alpha.-[2'-tricyclo[3.3.1.1.sup.3,7 ]decylidene]-benzeneacetic acid derivatives
Inventors:
Vassil S. Georgiev, George B. Mullen
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: May 27, 1986
Inventors
Vassil S. Georgiev
George B. Mullen
Assignee (at issue)
Pennwalt Corporation
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.