Granted Patent
Utility
US 4,014,342 · App. 05/567,087
Vitreous cutter
Inventors:
David Staub, Carl L. Foltz, Raymond W. Simmons
Patented Case
View Patent ↗
Granted: Mar 29, 1977
Filed: Apr 11, 1975
Inventors
David Staub
Carl L. Foltz
Raymond W. Simmons
Assignee (at issue)
Concept Group LLC
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.