Granted Patent
Utility
US 5,227,580 · App. 07/953,286
Sealing device for an arrow projectile
Inventors:
Marc Berville, Joel Leblond
Patented Case
View Patent ↗
Granted: Jul 13, 1993
Filed: Sep 30, 1992
Inventors
Marc Berville
Joel Leblond
Assignee (at issue)
Giat Industries
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.