JMB-20160118A-0001

A metal column door from a Bridgeport milling machine fills the frame and includes the Bridgeport registered trademark, the words BRIDGEPORT CONN. U.S.A., a Model No. indicator, and a patent marking that lists to U.S. patent numbers.
The column door on a Bridgeport milling machine includes a patent marking.

The column door on a Bridgeport milling machine includes a patent marking.

  • Date captured: 2016-01-18
  • Photographer: J. Matthew Buchanan
  • Dateline: Bowling Green , OH , United States
  • Keywords: patent
  • Camera Make: Apple
  • Camera Model: iPhone 6
  • Lens: iPhone 6 back camera 4.15mm f/2.2
  • Exposure Time: 1/15
  • Aperture: 2.2
  • ISO: 500
  • Copyright: Copyright 2024 J. Matthew Buchanan
  • Usage Terms: All use of this image requires a license from the copyright holder.