Granted Patent
Utility
US 4,588,812 · App. 06/615,201
Substituted 2,3-dihydro-5H-thiazolo[2,3,-b]quinazoline derivatives
Inventors:
Grace A. Saeva, Vassil S. Georgiev
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: May 30, 1984
Inventors
Grace A. Saeva
Vassil S. Georgiev
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.