US Patent Issued to Crusoe Survival on May 12 for "Multi-chamber inflatable device" (California Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,758, issued on May 12, was assigned to Crusoe Survival LLC (Torrance, Calif.).

"Multi-chamber inflatable device" was invented by Christopher Ian Roxburgh Hugh (Torrance, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flotation device that can include a multi-chamber flotation element having a first fluid chamber and a second fluid chamber. The flotation device can have a first valve in fluid communication with the active inflation chamber but not the passive inflation chamber and an opening in fluid communication with the passive inflation chamber but not the active air chamber. The active inflation chamber can be configured to be inflated t...