Granted Patent
Utility
US 4,214,646 · App. 05/916,496
Space divider and acoustic panel
Inventors:
Felipe Planes, Charles A. Eckerline, Gordon A. Erickson
Patented Case
View Patent ↗
Granted: Jul 29, 1980
Filed: Jun 19, 1978
Inventors
Felipe Planes
Charles A. Eckerline
Gordon A. Erickson
Assignee (at issue)
Conwed 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.