Granted Patent
Utility
US 5,259,558 · App. 07/689,895
Indexing air cap
Inventors:
Rowland C. Smith, Anthony J. Bate
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Jun 13, 1991
Inventors
Rowland C. Smith
Anthony J. Bate
Assignee (at issue)
ITW LIMITED
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.