Granted Patent
Utility
US 6,735,888 · App. 10/143,423
Virtual camera on the bucket of an excavator displaying 3D images of buried pipes
Inventors:
Robert G. Green, Thorkild Hansen, Michael L. Oristaglio, Ralf Birken, Ross Deming
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: May 10, 2002
Inventors
Robert G. Green
Thorkild Hansen
Michael L. Oristaglio
Ralf Birken
Ross Deming
Assignee (at issue)
Witten Technologies 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.