Granted Patent
Utility
US 5,351,545 · App. 07/842,119
Electromagnetic vibration generators
Inventor:
John H. Lucas
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Mar 23, 1992
Inventor
John H. Lucas
Assignee (at issue)
Ling Dynamic Systems, 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.