Granted Patent
Utility
US 6,750,772 · App. 09/837,727
Refrigerator alarm
Inventors:
Robert B. Skerker, Ho Wai Ming
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Apr 18, 2001
Inventors
Robert B. Skerker
Ho Wai Ming
Assignee (at issue)
Robinson Knife Manufacturing Co., 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.