Granted Patent
Utility
US 4,929,700 · App. 07/173,428
Production of purified, biologically active, bacterially produced recombinant human CSF-1
Inventors:
Robert F. Halenbeck, Kriston Koths, Cynthia Cowgill, Walter J. Laird
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Apr 8, 1988
Inventors
Robert F. Halenbeck
Kriston Koths
Cynthia Cowgill
Walter J. Laird
Assignee (at issue)
Cetus 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.