|
US3666038A
|
|
Air pulsing system
|
|
US3688859A
|
|
Vehicular air compression system
|
|
US3639746A
|
|
Segmented light table
|
|
US3453043A
|
|
Image rotating device
|
|
US3437279A
|
|
Film transport system
|
|
US3484751A
|
|
Storage and retrieval of graphic information
|
|
US3434331A
|
|
Vector mensuration device,method for its use,and method for its calibration
|
|
US3365524A
|
|
Method for making and testing a mold for a backlit projection screen
|
|
US3321591A
|
|
Punched card reader
|
|
US3365714A
|
|
Incremental code block apparatus
|
|
GB1005994A
|
|
A method and means for making and retrieving records of information
|
|
US3225649A
|
|
Aperture card conversion camera
|
|
GB967153A
|
|
A photographic film information storage system
|
|
US3173332A
|
|
Backlit projection screen
|
|
US3161120A
|
|
Apparatus for bringing ribbon-type media together
|
|
US3191835A
|
|
Transport apparatus
|
|
US3202045A
|
|
Apparatus for simultaneously recording spaced data and code on a single frame of photographic film
|
|
US3346674A
|
|
Method for fabricating backlit projection screens
|
|
US3342978A
|
|
Scanning system
|
|
US3144525A
|
|
Punched card reader
|
