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Inventor
STEVENS-MOMAN LEONARD FELTON
US
2 patents
Patents
2 patents
US11448238B2
Sep 20, 2022
Pneumatic landfill pump cycle counter
Q E D ENV SYSTEMS INC
2 citations
68
US11560786B2
Jan 24, 2023
Liquid level sensor system
Q E D ENV SYSTEMS INC
1 citations
56