Granted Patent
Utility
US 5,046,894 · App. 07/551,909
Buoyancy compensator with interchangeable backpack and commerbund
Inventor:
Neil Bergstrom
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Jul 12, 1990
Inventor
Neil Bergstrom
Assignee (at issue)
Soni-Form, LLC.
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.