Granted Patent
Utility
US 5,568,952 · App. 08/537,393
Tamper resistant shackle seal with multiple locking components
Inventor:
Erwin Ruegg
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Oct 2, 1995
Inventor
Erwin Ruegg
Assignee (at issue)
Stoffel Seals Corporation
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.