Granted Patent
Utility
US 6,536,706 · App. 09/947,621
Self-lifting shaftless unwind stand
Inventors:
Patrick C. St. Germain, Vernon C. Wickman
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Sep 6, 2001
Inventors
Patrick C. St. Germain
Vernon C. Wickman
Assignee (at issue)
Specialty Systems Advanced Machinery, 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.