Keywords: Stockbridge patent closeup.jpg en A close up of Stockbridge's 1928 patent application for a device to suppress vibrations on overhead power lines http //patimg2 uspto gov/ piw docid US001675391 SectionNum 1 IDKey B94E9AB5A770 HomeUrl http //patft uspto gov/netacgi/nph-Parser Sect1 PTO1 2526Sect2 HITOFF 2526d PALL 2526p 1 2526u 25252Fnetahtml 25252FPTO 25252Fsrchnum htm 2526r 1 2526f G 2526l 50 2526s1 1675391 PN 2526OS PN/1675391 2526RS PN/1675391 United States Patent Office 1928-07-03 This is cropped from figure 3 of the application PD-USGov Patents from the United States Stockbridge dampers |