Granted Patent
Utility
US 6,297,838 · App. 08/920,363
Spinning as a morpheme for a physical manipulatory grammar
Inventors:
Bay-Wei Chang, Kenneth P. Fishkin, Beverly L. Harrison, Takeo Igarashi, Jock Douglas Mackinlay, Roy Want, Polle T. Zellweger
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Aug 29, 1997
Inventors
Bay-Wei Chang
Kenneth P. Fishkin
Beverly L. Harrison
Takeo Igarashi
Jock Douglas Mackinlay
Roy Want
Polle T. Zellweger
Assignee (at issue)
Xerox 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.