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Leif Ringstrom — 1 Patent

STStfi: 1 patents #3 of 30Top 10%
Stockholm, SE: #1,949 of 3,607 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Leif Ringstrom has been granted 1 US patent while listed as an inventor at Stfi. All of these patents were granted in 1993. Leif Ringstrom ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Leif Ringstrom in Stockholm, SE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5274244 Method and apparatus for detecting bark and for determining the degree of barking on wood and chips Lennart Johansson 1993-12-28

Frequent Collaborators

Lennart Johansson1 shared

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