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Matthew M. Williamson
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Boston, MA, US
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last 30 patents
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Patent Grant
Cross-shaped torsional spring
Patent number
5,910,720
Issue date
Jun 8, 1999
Massachusetts Institute of Technology
Matthew M. Williamson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Patent Grant
Elastic actuator for precise force control
Patent number
5,650,704
Issue date
Jul 22, 1997
Massachusetts Institute of Technology
Gill A. Pratt
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS