Appius, Max

Berneck

Trademarks, designs and patents

Fassung für optische Elemente

Swiss patent · CH674583 · Inventor

Deleted
Objektivfassung

Swiss patent · CH670897 · Inventor

Deleted
Winkelmessinstrument

Swiss patent · CH622614 · Inventor

Deleted
Optische Ablesevorrichtung für Winkel- und Linearskalen

Swiss patent · CH591741 · Inventor

Deleted