Granted Patent
Utility
US 6,178,941 · App. 08/974,088
Device in a power-driven tool
Inventor:
Pär Martinsson
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Nov 19, 1997
Inventor
Pär Martinsson
Assignee (at issue)
Aktiebolaget Electrolux
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.