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Shatterswitch Trademarks
SHATTERSWITCH
acoustic sensor and magnetically-actuated switch for use in domestic and industrial intrusion detection alarm systems
Cancelled
·
May 2, 1997
·
75285661
·
SHATTERSWITCH
acoustic sensor and magnetically-actuated switch for use in domestic and industrial intrusion detection alarm systems
Cancelled
·
May 21, 1990
·
74060993
·
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