Granted Patent
Utility
US 4,621,571 · App. 06/675,531
Satellite coffee brewing system
Inventor:
Melvin F. Roberts
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Nov 28, 1984
Inventor
Melvin F. Roberts
Assignee (at issue)
Bloomfield Industries, 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.