Granted Patent
Utility
US 6,530,388 · App. 09/504,299
Volume efficient cleaning systems
Inventors:
Dwight J. Zuck, David S. Zuck
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Feb 15, 2000
Inventors
Dwight J. Zuck
David S. Zuck
Assignee (at issue)
Quantum Global Technologies 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.