Karl Stark

SA Saphirwerk Industrieprodukte Ag: 1 patents #6 of 15Top 40%

📍 Täuffelen, CH: #1 of 5 inventorsTop 20%

Overall (All Time): #2,374,042 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4228821	Gas-tight ball valve	—	1980-10-21
4223742	Resilient arrangement in a ring roller allowing rings to adapt to ground irregularities	—	1980-09-23