Granted Patent
Utility
US 4,950,601 · App. 07/027,282
Immobilied blue-green algae in sheet form
Inventors:
J. Gavin MacDonald, Ronald Sinclair Nohr, William E. Maycock
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Mar 17, 1987
Inventors
J. Gavin MacDonald
Ronald Sinclair Nohr
William E. Maycock
Assignee (at issue)
Kimberly-Clark 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.