Granted Patent
Utility
US 4,127,495 · App. 05/870,799
Non-built liquid detergents
Inventor:
Robert C. Swinson
Patented Case
View Patent ↗
Granted: Nov 28, 1978
Filed: Jan 19, 1978
Inventor
Robert C. Swinson
Assignee (at issue)
HERCULES LLC
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.