4. Excavating
  5. Peat excavators

John A. Collier

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Controlled eutrophication system and process

Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate

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High voltage DC source including magnetic flux pole and multiple

X-ray or gamma ray systems or devices – Electronic circuit – X-ray source power supply
Patent

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Partitioned aquaculture system

Animal husbandry – Aquatic animal culturing – Crustacean culturing
Reexamination Certificate

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Underwater harvester for marine life

Excavating – Peat excavators
Patent

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Profile ID: LFUS-PAI-P-227052

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