Granted Patent
Utility
US 4,312,006 · App. 05/925,498
Methods and apparatus for recording information supplying wound materials and retaining tubular objects
Inventor:
Lawrence V. Maldarelli
Patented Case
View Patent ↗
Granted: Jan 19, 1982
Filed: Jul 17, 1978
Inventor
Lawrence V. Maldarelli
Assignee (at issue)
Bell and Howell, 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.