Efrem E. Ayichew has been granted 19 US patents while listed as an inventor at Goodrich. The first was granted in 2016 and the most recent in December 2023. Efrem E. Ayichew ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Efrem E. Ayichew in Troy, OH, US.