LandOfFree - US Patents - Listing for Photocopying,Projection printing and copying cameras,Focus or magnification control

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrophotographic apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrophotographic copying apparatus equipped with copying cove

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrophotographic copying machine with picture position select

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrophotographic copying machine with variable magnification

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrophotographic copying machines of variable magnification

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrophotographic machine with control means responsive to set

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrostatic copying process

Photocopying – Projection printing and copying cameras – Focus or magnification control

Electrostatic recording apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control

Enlarger lens system having stop-value scale illuminating mechan

Photocopying – Projection printing and copying cameras – Focus or magnification control

Enlarging lens barrel

Photocopying – Projection printing and copying cameras – Focus or magnification control

Evaluation mask, focus measuring method and aberration...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Evaluation mask, focus measuring method and aberration...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Exposing a semiconductor wafer using two different spectral...

Photocopying – Projection printing and copying cameras – Focus or magnification control

Exposure apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control

Exposure apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control

Exposure apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control

Exposure apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control

Exposure apparatus

Photocopying – Projection printing and copying cameras – Focus or magnification control

Exposure apparatus