Granted Patent
Utility
US 4,746,547 · App. 06/946,818
Method and apparatus for circulating bed coater
Inventors:
Lloyd Brown, Charles C. Adams, Gottfried E. A. Besenbruch
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Dec 29, 1986
Inventors
Lloyd Brown
Charles C. Adams
Gottfried E. A. Besenbruch
Assignee (at issue)
GA Technologies, 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.