Juhani Karvonen

4 Patents

• US118519412023

  Hold-open Arrester Arrangement Having a Hold-open Function to Hold a Door Open

  ABLOY OY

  0 cites
• US116438592023

  Door Closer Arrangement

  ABLOY OY

  0 cites
• US116190872023

  Hold-open Arrester Arrangement Having a Hold-open Function to Hold a Door Open

  ABLOY OY

  0 cites
• US115981342023

  Door Closer Arrangement

  ABLOY OY

  0 cites