Granted Patent
Utility
US 5,079,459 · App. 07/644,992
Electro-hammer rapper
Inventors:
J. Timothy Huston, Alex J. Kurasz, John C. Matthews
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Jan 23, 1991
Inventors
J. Timothy Huston
Alex J. Kurasz
John C. Matthews
Assignee (at issue)
The Babcock & Wilcox Company
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.