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Keith E. Chipperfield — 1 Patent

MIMicropump: 1 patents #23 of 32Top 75%
Vancouver, WA: #1,069 of 1,812 inventorsTop 60%
Washington: #48,569 of 76,902 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Keith E. Chipperfield has been granted 1 US patent while listed as an inventor at Micropump. All of these patents were granted in 1997. Keith E. Chipperfield ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Keith E. Chipperfield in Vancouver, WA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5670852 Pump motor and motor control Kevin D. O'Hara, Greg Kangiser, Steve Soar 1997-09-23

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