Granted Patent
Utility
US 6,430,959 · App. 10/073,511
Economizer injection ports extending through scroll wrap
Inventor:
Alexander Lifson
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Feb 11, 2002
Inventor
Alexander Lifson
Assignee (at issue)
Scroll Technologies
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.