4. Tools and hardware
  5. Locking or closing device

Harvey K. Markegard

Inventor

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Door blocking brace and lock

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Door blocking lock

Tools and hardware – Locking or closing device
Patent

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Wheel blocking brake lock

Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent

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Profile ID: LFUS-PAI-P-682485

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