Granted Patent
Utility
US 5,932,037 · App. 08/545,669
Method of making hollow bodies
Inventors:
Nigel John Henry Holroyd, Warren Hepples
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Jan 29, 1996
Inventors
Nigel John Henry Holroyd
Warren Hepples
Assignee (at issue)
LUXFER GROUP LIMITED
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.