Granted Patent
Utility
US 6,553,878 · App. 09/682,515
Rotary torsion cutting apparatus
Inventors:
Anatoly Gosis, Lee A. Sheridan, G. Michael Velan, Thomas J. Nelson
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Sep 13, 2001
Inventors
Anatoly Gosis
Lee A. Sheridan
G. Michael Velan
Thomas J. Nelson
Assignee (at issue)
Premark RWP Holdings, 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.