RD

Rudi H. Duringer

SK S. Franzen Sãƒâ¶Hne Gmbh & Co. Kg: 4 patents #1 of 9Top 15%
📍 Wuppertal, DE: #372 of 1,656 inventorsTop 25%
Overall (All Time): #1,064,417 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4651545 Combination lock 1987-03-24
4615194 Permutation lock 1986-10-07
4610152 Combination lock for the securing of skis, bicycles or the like 1986-09-09
4574601 Closure for valises or the like which is provided with a permutation lock Otto Werk 1986-03-11
4385509 Permutation lock Peter Milles 1983-05-31