Granted Patent
Utility
US 4,884,655 · App. 07/260,410
Tower-type speaker cabinet with pivoted plural speaker subassembly
Inventors:
Tommyca Freadman, John F. Castagna
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Oct 3, 1988
Inventors
Tommyca Freadman
John F. Castagna
Assignee (at issue)
Sparkomatic Corp.
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.