Granted Patent
Utility
US 5,246,085 · App. 07/896,394
Portable work station
Inventors:
Reinald D. Liegel, James G. Ballard, Charles E. Naber, James C. Graham, Craig A. Wisner
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Jun 10, 1992
Inventors
Reinald D. Liegel
James G. Ballard
Charles E. Naber
James C. Graham
Craig A. Wisner
Assignee (at issue)
Hein-Werner 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.