4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Electrical property

Mark R. Schaefer

Inventor

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Cart-housing for automotive service equipment

Material or article handling equipment – Hand cart or frame therefor – Stable
Design Patent

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Dual voltage circuit tester

Electricity: measuring and testing – Testing potential in specific environment – Voltage probe
Reexamination Certificate

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Quick system tester

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Design Patent

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Profile ID: LFUS-PAI-P-2111735

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