Granted Patent
Utility
US 6,816,599 · App. 09/725,233
Ear level device for synthesizing music
Inventors:
Thilo Volker Thiede, Carl Ludvigsen
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Nov 29, 2000
Inventors
Thilo Volker Thiede
Carl Ludvigsen
Assignee (at issue)
Topholm & Westermann ApS
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.