Granted Patent
Utility
US 4,037,924 · App. 05/588,731
Retroreflective marker devices for attachment to spokes of bicycle wheels or the like
Inventor:
Louis May
Patented Case
View Patent ↗
Granted: Jul 26, 1977
Filed: Jun 20, 1975
Inventor
Louis May
Assignee (at issue)
Satellite Manufacturing Company
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.