Granted Patent
Utility
US 4,908,372 · App. 07/256,959
Antihistaminic piperidinyl benzimidazoles
Inventors:
Albert A. Carr, Hsien C. Cheng, John M. Kane
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Oct 13, 1988
Inventors
Albert A. Carr
Hsien C. Cheng
John M. Kane
Assignee (at issue)
Merrell Dow Pharmaceuticals 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.