Christ, Alfred, Dr.
Zürich
Trademarks, designs and patents
Swiss patent · CH671534 · Inventor
Swiss patent · CH666419 · Inventor
Swiss patent · CH668302 · Inventor
Swiss patent · CH668303 · Inventor
Swiss patent · CH662754 · Inventor
Swiss patent · CH659856 · Inventor
Swiss patent · CH662837 · Inventor
Swiss patent · CH663234 · Inventor
Swiss patent · CH644191 · Inventor
Swiss patent · CH635656 · Inventor
Swiss patent · CH627376 · Inventor
Swiss patent · CH601688 · Inventor
Swiss patent · CH601687 · Inventor
Swiss patent · CH607783 · Inventor
Swiss patent · CH613884 · Inventor
Swiss patent · CH598514 · Inventor
Swiss patent · CH587689 · Inventor
Swiss patent · CH587688 · Inventor
Swiss patent · CH587691 · Inventor
Swiss patent · CH586074 · Inventor
Swiss patent · CH579723 · Inventor
Swiss patent · CH577598 · Inventor
Swiss patent · CH586069 · Inventor