Looks like Raytheon acquired Blackbird technologies in 2014[0].
I honestly wonder why Raytheon let Blackbird continue patent trolling.
[0]: https://www.raytheon.com/news/feature/raytheon-blackbird-tec...
[0]: https://www.raytheon.com/news/feature/raytheon-blackbird-tec...
https://twitter.com/eastdakota/status/995025758278963200?s=2...
Proposed we license it for “$1 and other good and valuable consideration.” Unfortunately, the Raytheon IP counsel didn’t have a sense of humor.