B21C 1/18

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9670951 Variable-wall light-weight axle shaft with an integral flange member and method for making the sameApr 08, 14Jun 06, 17A.A.M INTERNATIONAL S.A.R.L., AAM INTERNATIONAL S.À R.L.,
9400009 Method for forming a variable wall light weight axle shaft with friction welded flangeApr 08, 14Jul 26, 16AAM INTERNATIONAL S.À R.L.
6647755 Method for manufacturing small diameter medical devicesMar 06, 02Nov 18, 03CYBERSONICS, INC.
5671632 Method for manufacturing a vibratorMay 06, 96Sep 30, 97MURATA MANUFACTURING CO., LTD.
4269344 Pressure welding metal bars togetherNov 07, 78May 26, 81Societe Franco-Belge des Laminoirs et Trefileries d'Anvers "Lamitreff"