Granted Patent
Utility
US 6,342,015 · App. 09/524,207
Double wall slide with varying sloped slide bed playground slide
Inventors:
Jeffrey S. Robertson, Graham Lobban
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Mar 10, 2000
Inventors
Jeffrey S. Robertson
Graham Lobban
Assignee (at issue)
Playnation Play Systems, 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.