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John H. Bevis, Jr.
Groton, MA
US
3 patents
4 Patents
US12214289
2025
Mechanical Advantage Device
People Levers LLC
0 cites
US12179122
2024
Mechanical Advantage Device
People Levers LLC
0 cites
US12064702
2024
Mechanical Advantage Device
People Levers LLC
0 cites
US11883756
2024
Mechanical Advantage Device
People Levers LLC
0 cites