Granted Patent
Utility
US 6,263,561 · App. 09/287,706
Fastener retaining device for assembly parts
Inventors:
David W. Sickels, Heinrich Luckhardt, deceased, Wolfgang Luckhardt
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Apr 7, 1999
Inventors
David W. Sickels
Heinrich Luckhardt, deceased
Wolfgang Luckhardt
Assignee (at issue)
Multifastener 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.