Granted Patent
Utility
US 4,584,241 · App. 06/597,130
Stabilization of PVC bodies
Inventors:
Jae-Hak Choi, Larry E. Fortner, John J. Mottine, Jr., William C. Vesperman
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Apr 6, 1984
Inventors
Jae-Hak Choi
Larry E. Fortner
John J. Mottine, Jr.
William C. Vesperman
Assignees (at issue)
AT&T Technologies Incorporated
AT&T Bell Laboratories
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.