Granted Patent
Utility
US 4,742,295 · App. 06/791,879
Static conductivity tester
Inventors:
Vance Nahman, Roger Fahlberg, James D. Shepherd
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Oct 28, 1985
Inventors
Vance Nahman
Roger Fahlberg
James D. Shepherd
Assignee (at issue)
The Gates Rubber 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.