Granted Patent
Utility
US 5,977,987 · App. 08/686,535
Method and apparatus for span and subspan sorting rendering system
Inventor:
Jerome F. Duluk, Jr.
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jul 26, 1996
Inventor
Jerome F. Duluk, Jr.
Assignee (at issue)
Raycer, 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.