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Karl Kerstein — 1 Patent

AEAlpine Electronics: 1 patents #279 of 637Top 45%

Torrance, CA: #1,287 of 2,137 inventorsTop 65%

California: #249,524 of 386,348 inventorsTop 65%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

Karl Kerstein has been granted 1 US patent while listed as an inventor at Alpine Electronics. All of these patents were granted in 2014. Karl Kerstein ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Karl Kerstein in Torrance, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D705756	Loudspeaker diaphragm	Chris Teguh, Melvin Diaz	2014-05-27

Karl Kerstein — 1 Patent

Issued Patents All Time

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