Helen Greaves — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%

Arnold, MO: #54 of 102 inventorsTop 55%

Missouri: #13,158 of 23,789 inventorsTop 60%

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

1 Patents All Time

Helen Greaves has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2017. Helen Greaves ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Helen Greaves in Arnold, MO, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D791860	POS wager machine	Mark Thomas Greaves	2017-07-11

Helen Greaves — 1 Patent

Issued Patents All Time

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