Loopt Patents

Patent portfolio assigned to Loopt (verified via public assignee records). Location-sharing app (YC S05, Sam Altman); acquired by Green Dot for $43.4M in 2012. Carriers Sprint/Verizon/Boost were distribution partners (not paying customers). Patents assigned to Loopt, Inc. confirmed on Google Patents (e.g. US8989778B2, US20080070593A1).