Granted Patent
Utility
US 6,109,812 · App. 09/277,390
Binder with spine window and removable insert therein
Inventor:
Stephen R. Welch
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Mar 26, 1999
Inventor
Stephen R. Welch
Assignee (at issue)
ACCO BRANDS CORPORATION
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.