Granted Patent
Utility
US 6,622,342 · App. 09/875,636
Block and tackle balance assembly with brake shoe
Inventors:
Jason Annes, Ralph Soles
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jun 6, 2001
Inventors
Jason Annes
Ralph Soles
Assignee (at issue)
Ashland Products, Inc.
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.