Keith C. Hong

6 Patents

• US123594252025

  Acoustic Ceiling Panel, Method of Manufacture and Acoustic Ceiling System

  Certainteed Ceilings Corporation

  0 cites
• US122346482025

  Roofing Product Including Bio-based Asphalt Mixture and Methods of Making the Roofing Product and the Roofing-grade Asphalt Mixture

  CERTAINTEED LLC

  0 cites
• US118983452024

  Acoustic Ceiling Panel, Method of Manufacture and Acoustic Ceiling System

  Certainteed Ceilings Corporation

  0 cites
• US118022182023

  Oxidized Mixture of Bio-based Material and Asphalt, a Bio-based Asphaltic Material, and Methods of Making the Same

  CERTAINTEED LLC

  0 cites
• US117253882023

  Post-functionalized Roofing Granules and Process for Preparing Same

  Certainteed LLC

  0 cites
• US115980962023

  Roofing Product Including Bio-based Asphalt Mixture and Methods of Making the Roofing Product and the Roofing-grade Asphalt Mixture

  CERTAINTEED LLC

  0 cites