ALEXANDRIA, Va., Feb. 21 -- Amazon Technologies, Seattle, Washington, has been assigned a patent (No. 10,558,767, initially filed March 16, 2017) developed by two co-inventors for an "analytical derivative-based ARMA model estimation." The co-inventors are Ramesh Natarajan, Pleasantville, New York, and Jonathan Richard Morley Hosking, Scarsdale, New York.

The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnet . . .