Walfried David

BR Bopp & Reuther: 3 patents #2 of 14Top 15%

📍 Frankenthal (Pfalz), DE: #70 of 156 inventorsTop 45%

Overall (All Time): #1,676,632 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4699359	Shut-off valve	—	1987-10-13
4629160	Shutoff wedge for shutoff valve	—	1986-12-16
4607821	Shutoff valve	—	1986-08-26