Granted Patent
Utility
US 6,199,784 · App. 09/407,883
Automatically rewindable wire device
Inventors:
Robert Wang, Jack Wang
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Sep 29, 1999
Inventors
Robert Wang
Jack Wang
Assignee (at issue)
Ceramate Technical Co., Ltd.
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.