4. Earth working
  5. Alternating for right or left hand operation
  6. Tool shifted for opposite throw

Charles M. Perkins

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Chair construction for long use comfort

Chairs and seats – Movable back – Horizontally
Patent

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Internal combustion engine

Internal-combustion engines – Two-cycle – Rear compression
Patent

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Invertible plow construction

Earth working – Alternating for right or left hand operation – Tool shifted for opposite throw
Patent

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Solid fuel burning internal combustion engine

Internal-combustion engines – Solid fuel
Patent

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Profile ID: LFUS-PAI-P-975902

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