Granted Patent
Utility
US 5,988,708 · App. 09/011,987
Electromagnetically managed latching exit bar
Inventors:
George Frolov, John E. Walsh, James J. Scott, Peter S. Conklin, Gary E. Lavelle
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: May 11, 1998
Inventors
George Frolov
John E. Walsh
James J. Scott
Peter S. Conklin
Gary E. Lavelle
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.