Granted Patent
Utility
US 6,135,680 · App. 09/256,539
Boring tool with staggered rotary cutting inserts
Inventors:
Philip S. Szuba, Peter M. Beecherl, Gregory Jon Kinsler
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Feb 24, 1999
Inventors
Philip S. Szuba
Peter M. Beecherl
Gregory Jon Kinsler
Assignee (at issue)
Unova IP Corp.
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.