1976 Kelly Blickle2021-02-10T23:56:17-06:00January 29, 2021| Rock Industries Machinery Corp. fell on hard times and was purchased by the current owners of Lippmann Milwaukee. Since 1976 the Gabriel family changed the name to Lippmann-Milwaukee, Inc. Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail