https://patentbrief.org/company/sperry-corp Plain-English explanations of patents assigned to Sperry Corp, newest first. en-us Sun, 12 Jul 2026 09:17:00 GMT https://patentbrief.org/patent/us/4558302/lzw-compression This 1985 patent describes a method for making computer files smaller by building a dictionary of common data patterns and replacing them with shorter codes. Tue, 10 Dec 1985 00:00:00 GMT https://patentbrief.org/patent/us/4558302/lzw-compression