Granted Patent
Utility
US 4,335,338 · App. 06/164,827
Linear motor
Inventor:
Bruce A. Sawyer
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Jun 30, 1980
Inventor
Bruce A. Sawyer
Assignee (at issue)
Xynetics, 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.