Granted Patent
Utility
US 5,262,703 · App. 07/874,796
Low noise miniature electric motor
Inventors:
Fritz Schmider, Thomas Von Der Heydt
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Apr 28, 1992
Inventors
Fritz Schmider
Thomas Von Der Heydt
Assignee (at issue)
Papst Licensing GmbH
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.