Granted Patent
Utility
US 4,965,922 · App. 07/451,228
Method for dismantling a natural gas holder
Inventors:
Brock R. Settlemier, Steven R. Bone, John Tolivaisa, James E. Nugent
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Dec 15, 1989
Inventors
Brock R. Settlemier
Steven R. Bone
John Tolivaisa
James E. Nugent
Assignee (at issue)
Bigge Crane & Rigging Co.
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.