Patent no - US2165307 A,  Patent Title - Means for translating magnetic variations into electric variations, Filing date - 31 Mar 1937, Priority date - 31 Mar 1937,  Publication date - 11 Jul 1939,  Inventors - Albert M Skellett,  Original Assignee - Bell Telephone Labor Inc,  Abstract - his invention relates to means for transforming magnetic variations into electric variations and more specifically to means for reading a magnetic record upon which signals representative of the light-tone…

Patent no - US2165307 A, Patent Title - Means for translating magnetic variations into electric variations, Filing date - 31 Mar 1937, Priority date - 31 Mar 1937, Publication date - 11 Jul 1939, Inventors - Albert M Skellett, Original Assignee - Bell Telephone Labor Inc, Abstract - his invention relates to means for transforming magnetic variations into electric variations and more specifically to means for reading a magnetic record upon which signals representative of the light-tone…

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This Day in Patent History – On December 6, 1892, W. Kales patented physician’s table

This Day in Patent History – On December 6, 1892, W. Kales patented physician’s table

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