Granted Patent
Utility
US 6,829,834 · App. 10/460,122
Multi-angle self-leveling line generation
Inventor:
Norman L. Krantz
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jun 11, 2003
Inventor
Norman L. Krantz
Assignee (at issue)
Zircon 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.