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Fred L. Ecker — 2 Patents

CSConcrete Systems: 2 patents #3 of 9Top 35%
Sierra Madre, CA: #96 of 216 inventorsTop 45%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Fred L. Ecker has been granted 2 US patents while listed as an inventor at Concrete Systems. All of these patents were granted in 1986. Fred L. Ecker ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Fred L. Ecker in Sierra Madre, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4607470 Pre-stressed construction element — 1986-08-26
4604250 Column form support system and method — 1986-08-05

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