Granted Patent
Utility
US 6,031,378 · App. 08/952,744
Measuring system and a method for detecting static electricity and/or change thereof in a measuring object and use thereof
Inventor:
Tomas Rosin
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Nov 13, 1997
Inventor
Tomas Rosin
Assignee (at issue)
TR-Tech Int. Oy
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.