Granted Patent
Utility
US 6,007,119 · App. 08/944,991
Multi-directional self-aligning shear type electromagnetic lock
Inventors:
Thomas Roth, Vincent J. Frallicciardi
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Oct 6, 1997
Inventors
Thomas Roth
Vincent J. Frallicciardi
Assignee (at issue)
Securitron Magnalock 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.