Granted Patent
Utility
US 5,910,454 · App. 09/086,797
Coffee-based solid fuel composition
Inventor:
Rodney K. Sprules
Patented Case
View Patent ↗
Granted: Jun 8, 1999
Filed: May 29, 1998
Inventor
Rodney K. Sprules
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.