The Mail Tribune reported (http://bit.Ly/2pvS6UJ ) Friday that US District Court Judge Michael McShane sentenced 62- year-old John Roos of Medford to 63 months in prison.
Roos was also sentenced to three years of post-prison supervision upon his release.
According to a US Department of Justice news release, Roos pleaded guilty to charges related to the threats and other charges for possession of an unregistered explosive device.
Roos has said the threats were not serious.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)