Michel Ratajski

📍 Bienne, CH: #4 of 12 inventorsTop 35%

Overall (1997): #102,266 of 185,788Top 60%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5699590	Clasp with unfolding buckle	Francis Albert Erard	1997-12-23