Granted Patent
Utility
US 5,182,886 · App. 07/635,601
Building elements and joints therefor
Inventors:
Colin N. Bateman, Peter L. Clark, William G. Carter
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Jan 22, 1991
Inventors
Colin N. Bateman
Peter L. Clark
William G. Carter
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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.