Granted Patent
Utility
US 4,594,763 · App. 06/685,147
Method and apparatus for inserting a glass rod into a glass tube
Inventors:
Ralph E. Frazee, Jr., John R. Nis, Joseph Sanchez, Carroll D. Spainhour, Robert P. Stawicki
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Dec 21, 1984
Inventors
Ralph E. Frazee, Jr.
John R. Nis
Joseph Sanchez
Carroll D. Spainhour
Robert P. Stawicki
Assignee (at issue)
AT&T Technologies Incorporated
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.