Inventor

LEHMANN FRITZ

CH2 patents

⚠️ This page may combine multiple inventors who share the name “LEHMANN FRITZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BBC BROWN BOVERI & CIE

1 patent

US3971624AJul 27, 1976

Controllable electrochromic indicator device with ionic conducting intermediate layer and non-polarizable electrodes

BBC BROWN BOVERI & CIE54 citations88

LIECHTI & CO AG MASCHF

1 patent

US5245792ASep 21, 1993

Machining center for grinding workpieces with complex shaped surfaces

LIECHTI & CO AG MASCHF26 citations82