Granted Patent
Utility
US 6,174,271 · App. 09/310,055
High throughput hole forming system with multiple spindles per station
Inventor:
Wojciech B. Kosmowski
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: May 11, 1999
Inventor
Wojciech B. Kosmowski
Assignee (at issue)
Electro Scientific Industries, Inc.
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.