Granted Patent
Utility
US 6,723,971 · App. 09/857,397
Methods and structures for removing ice from surfaces
Inventors:
Victor Petrenko, Charles R. Sullivan
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: May 31, 2001
Inventors
Victor Petrenko
Charles R. Sullivan
Assignee (at issue)
THE TRUSTEES OF DARTMOUTH COLLEGE
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.