Siegfried Duchstein

📍 Bayreuth, DE: #152 of 303 inventorsTop 55%

Overall (All Time): #4,063,638 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4310552	Casting perlite before the swine	—	1982-01-12