Dianna Liu — 2 Patents at Grain Processing

Dianna Liu — 2 Patents

GPGrain Processing: 2 patents #33 of 87Top 40%

IUIowa State University: 2 patents #368 of 1,643Top 25%

Ames, IA: #569 of 1,427 inventorsTop 40%

Iowa: #6,154 of 15,303 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

Dianna Liu has been granted 2 US patents while listed as an inventor at Grain Processing. All of these patents were granted in 1994. Dianna Liu ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dianna Liu in Ames, IA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5290749	Preemergence weed control using plant portein hydrolysate	Nick E. Christians, John T. Garbutt	1994-03-01
5290757	Preemergence weed control using dipeptides from corn gluten hydrolysate	Nick E. Christians, John T. Garbutt	1994-03-01

Dianna Liu — 2 Patents

Issued Patents All Time

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