Granted Patent
Utility
US 4,597,941 · App. 06/594,153
Toilet cleaning article and method for codispensing disinfectant and dye having resistance to spectral degradation
Inventors:
Carey B. Bottom, Jane Gilmore, John L. Martin
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: Mar 28, 1984
Inventors
Carey B. Bottom
Jane Gilmore
John L. Martin
Assignee (at issue)
The Drackett 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.