Granted Patent
Utility
US 5,377,075 · App. 08/237,823
Ballast cradle and retrofit for fluorescent light conversion
Inventors:
John Schmid, Steven J. Schmidt
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: May 4, 1994
Inventors
John Schmid
Steven J. Schmidt
Assignee (at issue)
ML Systems
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.