https://patentbrief.org/company/biosphere-aerospace-llc Plain-English explanations of patents assigned to Biosphere Aerospace LLC, newest first. en-us Mon, 15 Jun 2026 06:00:50 GMT https://patentbrief.org/patent/us/9073647/propulsive-landing-of-rocket-stages A spacecraft launch system that uses an expandable mast to connect a nose and tail, allowing it to carry modular payloads and land horizontally after releasing them. Tue, 07 Jul 2015 00:00:00 GMT https://patentbrief.org/patent/us/9073647/propulsive-landing-of-rocket-stages