Granted Patent
Utility
US 4,732,085 · App. 07/048,381
Smoke generation apparatus and process using magnetic field
Inventors:
Moshe Gershenson, Mark L. Moskowitz
Patented Case
View Patent ↗
Granted: Mar 22, 1988
Filed: May 11, 1987
Inventors
Moshe Gershenson
Mark L. Moskowitz
Assignee (at issue)
GAF 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.