BibTeX
.bib file@misc{partridge2009determining,
author = "Partridge, Kurt E and Kunze, Kai and Chu, Maurice K",
title = "DETERMINING USER COMPASS ORIENTATION FROM A PORTABLE DEVICE",
year = "2009",
month = "September\textasciitilde 3",
publisher = "Google Patents",
note = "US Patent App. 12/553,839"
}