4. Electricity: motive power systems
  5. Motor-reversing

William R. Parks

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Back rest for use in resting against a tree

Chairs and seats – Supplemental back – Including a means to adjust supplemental back relative to a...
Patent

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Overhead garage door lock for use with automatic opener

Electricity: motive power systems – Motor-reversing
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Profile ID: LFUS-PAI-P-924830

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