https://patentbrief.org/company/hybritech-inc Plain-English explanations of patents assigned to Hybritech Inc, newest first. en-us Mon, 15 Jun 2026 05:59:50 GMT https://patentbrief.org/patent/us/4376110/psa-test-for-prostate-cancer This patent describes a "sandwich" method using two highly specific, man-made antibodies to detect and measure tiny amounts of specific substances, like disease markers, in a fluid sample. Tue, 08 Mar 1983 00:00:00 GMT https://patentbrief.org/patent/us/4376110/psa-test-for-prostate-cancer