Granted Patent
Utility
US 4,524,441 · App. 06/506,746
Modular space stage arrangement for a T-S-T digital switching system
Inventors:
Nathaniel Simmons, Sergio E. Puccini, Stig E. Magnusson, Kamal I. Parikh
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Jun 22, 1983
Inventors
Nathaniel Simmons
Sergio E. Puccini
Stig E. Magnusson
Kamal I. Parikh
Assignee (at issue)
GTE Automatic Electric Incorporated
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.