Granted Patent
Utility
US 6,736,068 · App. 10/070,294
Detonator
Inventors:
Viktor Dumenko, Ulf Borgström, Roger Holmberg
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Jun 13, 2002
Inventors
Viktor Dumenko
Ulf Borgström
Roger Holmberg
Assignee (at issue)
Dyno Nobel Sweden AB
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.