Granted Patent
Utility
US 6,775,994 · App. 10/374,938
Refrigerated display merchandiser with variable air curtain
Inventors:
Jeffrey A. Math, Dochul Choi
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Feb 25, 2003
Inventors
Jeffrey A. Math
Dochul Choi
Assignee (at issue)
Carrier Commercial Refrigeration, 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.