Granted Patent
Utility
US 4,385,704 · App. 06/178,372
Crane boom top plate lateral support
Inventors:
Stanley R. Spain, William Reichard
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Aug 14, 1980
Inventors
Stanley R. Spain
William Reichard
Assignee (at issue)
Kidde Holding, 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.