Granted Patent
Utility
US 5,599,583 · App. 08/250,766
Encapsulation with water soluble polymer
Inventors:
Chel W. Lew, Keith Branly, Jesse Gaytan
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: May 27, 1994
Inventors
Chel W. Lew
Keith Branly
Jesse Gaytan
Assignee (at issue)
Micro Flo Company
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.