Granted Patent
Utility
US 4,864,129 · App. 07/243,904
Logging apparatus and method
Inventors:
William C. Paske, Richard F. Roesler
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Sep 13, 1988
Inventors
William C. Paske
Richard F. Roesler
Assignee (at issue)
Baroid Technology, 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.