Granted Patent
Utility
US 4,298,345 · App. 06/025,497
Method and apparatus for chemical spot test analysis
Inventors:
Lester Sodickson, Franklin Lim
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Mar 30, 1979
Inventors
Lester Sodickson
Franklin Lim
Assignee (at issue)
Damon Corporation
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.