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Home › Schramm › David Y. Sim
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David Y. Sim — 1 Patent

SCSchramm: 1 patents #3 of 7Top 45%
Media, PA: #243 of 402 inventorsTop 65%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Y. Sim has been granted 1 US patent while listed as an inventor at Schramm. All of these patents were granted in 2017. David Y. Sim ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Y. Sim in Media, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9551193 Drill pipe handling apparatus having improved pipe gripping mechanism Chris Cheeseman, Paul T. DiZillo 2017-01-24

Frequent Collaborators

Paul T. DiZillo1 shared
Chris Cheeseman1 shared

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Kira Astakhova1
Amir EISEN1