% Expired Patents = 100.0

Forward Citations = 18

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2 inventors (with patents filed for the assignee):

Allen Rice Ferrell (1 out of 3 patents)

David Nixon Smith (1 out of 3 patents)

1 patent: Sort by Forward Citations

#28 in Lynnwood, WA

#3,385 in Washington

#136,675 in US

Biogas Technologies, Inc.

Forward Citations = 18

2 inventors:

Allen Rice Ferrell (1 out of 3 patents)

David Nixon Smith (1 out of 3 patents)

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