Ryan Christopher Hallgren

4 Patents

• USD11218412026

  Grating

  Ohio Gratings, Inc.

  0 cites
• US125843082026

  Universal Anchor for Use with a Grating Frame

  Ohio Gratings, Inc.

  0 cites
• USD11117912026

  Universal Anchor for a Grate Frame

  Ohio Gratings, Inc.

  0 cites
• USD10882872025

  Bar Assembly

  Ohio Gratings, Inc.

  0 cites