Granted Patent
Utility
US 5,573,954 · App. 08/467,207
Method of obtaining small representative solid-phase samples
Inventors:
Malbone W. Greene, Don Isenberg, Charles Walbourn
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Jun 6, 1995
Inventors
Malbone W. Greene
Don Isenberg
Charles Walbourn
Assignee (at issue)
Microbics 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.