Granted Patent
Utility
US 4,165,102 · App. 05/911,208
Method of preparing zinc-modified phenol-aldehyde novolak resins and use as a color-developer
Inventor:
Jerome R. Bodmer
Patented Case
View Patent ↗
Granted: Aug 21, 1979
Filed: May 31, 1978
Inventor
Jerome R. Bodmer
Assignee (at issue)
NCR Corporation
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.