Granted Patent
Utility
US 5,495,893 · App. 08/240,271
Apparatus and method to control deflagration of gases
Inventors:
Daryl L. Roberts, James R. Butz
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: May 10, 1994
Inventors
Daryl L. Roberts
James R. Butz
Assignee (at issue)
ADA Technologies, 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.