Granted Patent
Utility
US 6,148,113 · App. 09/018,115
System for stimulating the depth of field of an image in two dimensional space and method of operation
Inventors:
Michael A. Wolverton, Deepaka N. Abeysinghe
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Feb 3, 1998
Inventors
Michael A. Wolverton
Deepaka N. Abeysinghe
Assignee (at issue)
Micrografx, Inc.
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.