LandOfFree - US Patents - Listing for Photocopying

Photocopying – Projection printing and copying cameras – Identifying – composing – or selecting

Observation system for a projection exposure apparatus

Photocopying – Contact printing – Light boxes

Obtaining color balance for optical copiers by setting the expos

Photocopying – Projection printing and copying cameras – Reflector between original and photo-sensitive paper

Off-axis catadioptric projection optical system for lithography

Photocopying – Projection printing and copying cameras – Illumination systems or details

Off-axis illuminator lens mask for photolithographic projection

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

Off-axis leveling in lithographic projection apparatus

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

Off-axis leveling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

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

Off-axis levelling in lithographic projection apparatus

Photocopying – Projection printing and copying cameras – Methods

Off-press laminating method

Photocopying – Including fiber optics

Off-set nip roll decurler

Photocopying – Projection printing and copying cameras – Detailed holder for original

Office copier with articulated hinge cover

Photocopying – Projection printing and copying cameras – Detailed holder for original

Office copier with articulated hinge cover

Photocopying – Projection printing and copying cameras – Step and repeat

Offner imaging system with reduced-diameter reflectors

Photocopying – Projection printing and copying cameras – Illumination systems or details

Offner imaging system with reduced-diameter reflectors

Photocopying – Projection printing and copying cameras – Illumination systems or details

Offner imaging system with reduced-diameter reflectors

Photocopying – Projection printing and copying cameras – With temperature or foreign particle control

Offset partial ring seal in immersion lithographic system

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer

Offset plate image transfer attachment for graphic art cameras