Robert O. Renfer

Dietlikon

Trademarks, designs and patents

Optisches Richtfunkgerät

Swiss patent · CH694214 · Holder, Inventor

Deleted
FractSound

Swiss trademark · 428581 · Holder

Deleted
FractArts

Swiss trademark · 425013 · Holder

Deleted
Verfahren zum Erzeugen von Wasserdampf

Swiss patent · CH685836 · Inventor

Deleted
RADIO SUNSHINE

Swiss trademark · 427873 · Holder

Deleted
ARTCOM

Swiss trademark · 378306 · Holder

Deleted