Granted Patent
Utility
US 6,016,593 · App. 09/058,230
Electric drive system for planer mill infeed and outfeed rolls
Inventor:
John P. Kyrstein
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Apr 10, 1998
Inventor
John P. Kyrstein
Assignees (at issue)
Kyrstein Investments Ltd.
Toop Holdings Ltd.
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.