https://patentbrief.org/company/schneider-medintag-ag Plain-English explanations of patents assigned to Schneider Medintag AG, newest first. en-us Sat, 13 Jun 2026 10:12:25 GMT https://patentbrief.org/patent/us/4195637/balloon-angioplasty-catheter-gruentzig This 1980 patent describes a medical catheter system with a guide catheter and a special dilatation catheter that can expand to open or close body passages, like blood vessels. Tue, 01 Apr 1980 00:00:00 GMT https://patentbrief.org/patent/us/4195637/balloon-angioplasty-catheter-gruentzig