Granted Patent
Utility
US 6,835,334 · App. 10/795,711
Macrocapsules containing microencapsulated phase change materials
Inventors:
Danny Allen Davis, Ronald L. Hart, Dale E. Work, David R. Virgallito
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Mar 8, 2004
Inventors
Danny Allen Davis
Ronald L. Hart
Dale E. Work
David R. Virgallito
Assignee (at issue)
MICROTEK 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.