4. Optical: systems and elements
  5. Stereoscopic
  6. With right and left channel discriminator

Thomas J. Perkowski Esq.

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Automatically-activated hand-supportable laser scanning bar...

Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate

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Holographic laser scanner for producing a highly-defined...

Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate

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Ionically-conductive belt structure for use in a metal-air...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Metal-air fuel cell battery system employing substantially...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Method of blocking a portion of illumination rays generated...

Registers – Coded record sensors – Particular sensor structure
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