P

Inventor

WITSCHI MARCEL

CH17 patents
⚠️ This page may combine multiple inventors who share the name “WITSCHI MARCEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LAUENER ENG LTD

7 patents

GOLDEN ALUMINUM CO

5 patents

NICHOLS ALUMINUM GOLDEN INC

2 patents

NICHOLS ALUMINUM

2 patents

GOLEN ALUMINUM COMPANY

1 patent