Granted Patent
Utility
US 4,256,832 · App. 05/968,695
Carcinogen and mutagen screening method and apparatus
Inventors:
Eugene Findl, Anthony M. Cundell
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Dec 12, 1978
Inventors
Eugene Findl
Anthony M. Cundell
Assignee (at issue)
Bioresearch, 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.