Granted Patent
Utility
US 4,351,610 · App. 06/152,990
Photocomposer
Inventors:
John P. Skrypek, Robert Williams, Enn Sirvet
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: May 27, 1980
Inventors
John P. Skrypek
Robert Williams
Enn Sirvet
Assignee (at issue)
Sun Chemical 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.