Granted Patent
Utility
US 6,369,639 · App. 09/821,591
Inverter circuit
Inventors:
Timothy A. Strand, Matthew Littlefair
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Mar 29, 2001
Inventors
Timothy A. Strand
Matthew Littlefair
Assignee (at issue)
Nordson Corporation
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.