Granted Patent
Utility
US 4,907,151 · App. 07/251,554
System and method for garbage collection with ambiguous roots
Inventor:
Joel F. Bartlett
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Sep 30, 1988
Inventor
Joel F. Bartlett
Assignee (at issue)
Digital Equipment 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.