Koscik Richard Allen: Cable sealing grommet. Illinois Tool Works, Olson Trexler Wolters Bushnell & Fosse, September 17, 1974: US3836269 (31 worldwide citation)

The present invention relates generally to improvements in grommets of the type adapted to accommodate cables and more particularly to grommets adapted to sealingly encircle a cable and designed for assembly after the cable has been mounted in position. The present invention has a very practical app ...