4. Winding, tensioning, or guiding
  5. Wound storage package
  6. Housing or outer peripheral support

Benjamin N. Dunn

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Cassette spool lock

Winding – tensioning – or guiding – Wound storage package – Housing or outer peripheral support
Reexamination Certificate

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Cassette spool lock

Winding – tensioning – or guiding – Wound storage package – Housing or outer peripheral support
Reexamination Certificate

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Modeling apparatus with tray substrate

Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate

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Single-motor extrusion head having multiple extrusion lines

Plastic article or earthenware shaping or treating: apparatus – Means feeding fluent stock from plural sources to common... – Extrusion shaping means
Reexamination Certificate

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Three-dimensional modeling substrate

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Profile ID: LFUS-PAI-P-2420121

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