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Stephan Siebertz — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Troisdorf, DE: #182 of 353 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Stephan Siebertz has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1985. Stephan Siebertz ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stephan Siebertz in Troisdorf, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4543143 Process and apparatus for the covering of playing balls Dietmar Siebertz 1985-09-24

Frequent Collaborators

Dietmar Siebertz1 shared

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