Granted Patent
Utility
US 5,907,203 · App. 08/858,308
Voltage regulator spacing member
Inventors:
Jianing Chen, Michael D. Ballard
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: May 19, 1997
Inventors
Jianing Chen
Michael D. Ballard
Assignee (at issue)
Unit Parts Company
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.