U.S. Patent No. 6,448,895 - filed in 2001 for a "kidnap alarm with acceleration sensor." #UtilityPatents
Federal Circuit reverses the grant of a preliminary injunction (based on utility patent and trade dress infringement) in a dispute between indoor "adventure parks":
http://cafc.uscourts.gov/opinions-orders/22-2047.OPINION.2-16-2024_2271523.pdf
Hey #PatentFedi: If you're not following @GazEtc, you're missing out.