Granted Patent
Utility
US 6,089,650 · App. 09/253,661
Sound attenuating enclosure for a machine
Inventors:
Peter Edgeller, Jamie Robert Wilson
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Feb 22, 1999
Inventors
Peter Edgeller
Jamie Robert Wilson
Assignee (at issue)
Ingersoll-Rand Company
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.