4. Pumps
  5. Successive stages
  6. Reciprocating rigid stages

John A. Gunther

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Air pump valve head for gripping both schrader and presta valves

Fluid handling – Inflatable article – With coupling means
Patent

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Bicycle trainer magnetic resistance device

Exercise devices – Involving user translation or physical simulation thereof – Bicycling
Patent

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Dual stage, dual mode air pump

Pumps – Successive stages – Reciprocating rigid stages
Patent

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Profile ID: LFUS-PAI-P-1018527

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