Granted Patent
Utility
US 4,366,664 · App. 06/182,403
Swather
Inventors:
Bernard Penner, Arthur Kempan
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Aug 26, 1980
Inventors
Bernard Penner
Arthur Kempan
Assignee (at issue)
Versatile Cornat 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.