Granted Patent
Utility
US 4,329,054 · App. 06/067,116
Apparatus for sizing particles, droplets or the like with laser scattering
Inventor:
William D. Bachalo
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Aug 16, 1979
Inventor
William D. Bachalo
Assignee (at issue)
Spectron Development Laboratories, Inc.
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.