WK

Walburga Kaffrell

SG Schott Glaswerke: 1 patents #119 of 256Top 50%
Overall (All Time): #3,830,391 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5234741 Heavy-duty packing of corrugated glass plates for columns — 1993-08-10