Granted Patent
Utility
US 5,424,513 · App. 07/974,628
Method for producing transformers, especially transformers for distribution systems, and a device for carrying out this method
Inventors:
Paul Gmeiner, Sten Schmidt
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Nov 12, 1992
Inventors
Paul Gmeiner
Sten Schmidt
Assignee (at issue)
Micafil AG
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.