Granted Patent
Utility
US 4,456,093 · App. 06/274,476
Control system for aerial work platform machine and method of controlling an aerial work platform machine
Inventors:
David R. Finley, Laurence A. Beck
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Jun 16, 1981
Inventors
David R. Finley
Laurence A. Beck
Assignee (at issue)
Interstate Electronics 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.