Granted Patent
Utility
US 6,421,080 · App. 09/435,175
Digital surveillance system with pre-event recording
Inventor:
Tim Lambert
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Nov 5, 1999
Inventor
Tim Lambert
Assignee (at issue)
Image Vault, LLC
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.