Granted Patent
Utility
US 5,327,345 · App. 07/656,792
Position control system for a construction implement such as a road grader
Inventors:
Edward G. Nielsen, Ross C. Stoepker, Fred D. Litty
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Feb 15, 1991
Inventors
Edward G. Nielsen
Ross C. Stoepker
Fred D. Litty
Assignee (at issue)
Laser Alignment, 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.