Granted Patent
Utility
US 5,535,307 · App. 08/291,230
Printing of variable dot sizes dependent upon image density for improved graphics
Inventor:
Stephen K. Glass
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Aug 16, 1994
Inventor
Stephen K. Glass
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.