Granted Patent
Utility
US 5,479,151 · App. 08/220,787
Electromagnetic door lock with on-board programmable access control
Inventors:
Gary E. Lavelle, Peter S. Conklin
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Mar 31, 1994
Inventors
Gary E. Lavelle
Peter S. Conklin
Assignee (at issue)
Harrow Products 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.