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John K. Eickhof — 5 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
ECEickhof Columbaria: 1 patents #6 of 7Top 90%
Bemidji, MN: #25 of 129 inventorsTop 20%
Minnesota: #13,707 of 52,454 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John K. Eickhof has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1987 and the most recent in July 2014. John K. Eickhof ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John K. Eickhof in Bemidji, MN, US.

Patents per Year

Patents granted per year, 1987 to 2014Bar chart with a peak of 2 patents in 1998.peak 21987: 1 patents19871993: 1 patents19931998: 2 patents19982014: 1 patents2014

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8782969 Columbarium construction and shutter mounting system Paul M. Eickhof, Ken Bettger 2014-07-22
5802781 Soffit lock — 1998-09-08
D395121 Round columbarium — 1998-06-09
5195812 Columbarium — 1993-03-23
4644711 Fastening apparatus for shutters — 1987-02-24

Frequent Collaborators

Ken Bettger1 shared
Paul M. Eickhof1 shared

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Baoquan Tan5
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