4. Tent, canopy, umbrella, or cane
  5. Canes, sticks, crutches, and walking aids
  6. Crutches

Joseph F. Schrader

Inventor

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Ambulatory walker

Chairs and seats – Straddle seat – Other than cycle seat
Reexamination Certificate

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Sit to stand hinged seat walker with pull-up handle

Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Crutches
Patent

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System for applying foam insulation

Dispensing – With recorder – register – indicator – signal or exhibitor – Flow and/or overflow type
Patent

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Viewing device for a bubble level

Geometrical instruments – Indicator of direction of force traversing natural media – With viewing aid
Patent

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Profile ID: LFUS-PAI-P-562862

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