I had done some checking on B&M a couple years ago. Modern stuff. Not the quality of OLD Griswold or Wagner, but nothing modern is. Here's some of the detail (what I could still find from my old files):
Benjamin & Medwin® is a registered trademark used for Cookware, Namely, Non-Electric Pots, Frying Pans, Griddles and Skillets and owned by Benjamin & Medwin, Inc.. Full trade mark registration details, registered images and more information below.
Goods and/or Services: Cookware, Namely, Non-Electric Pots, Frying Pans, Griddles and Skillets
Serial Number: 78133709
Registration Number: 2775531
Filing Date: Jun 6, 2002
Last Applicant(s)/
Owner(s) of Record Benjamin & Medwin, Inc.
230 Fifth Avenue
New York, Ny 10001 US
Last I heard, I think they went under...