Donald O. Bigelow

Film or paper cassette

Antistatic layer for electrically modulated display

Apparatus for exposing sensitometric and bar code data onto photosensitive media

Reference calibration patch arrangement to minimize exposure and measurement artifacts and maximize robustness to defects

Apparatus and method for anhysteretically recording from master drum to slave web

Method and photographic element for calibrating digital images

Electro-optical modulating display devices comprising and array of microcells and a method for making such devices

Photographic element with reference calibration data

Apparatus for removing air from between a master magnetic medium and a slave magnetic medium preceding anhysteretic transfer of signals from master to slave

Method for automatically opening roll cassette by suctioning