Inventor

DOUGLAS LAWRENCE M

US37 patents

⚠️ This page may combine multiple inventors who share the name “DOUGLAS LAWRENCE M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOUGLAS LAWRENCE M

POLAROID CORP

Electronic still camera with printing capability

Electronic image printing apparatus

Multiple format photograhic camera

Compact self-developing camera with folded optical image path

Preloaded single-use instant camera

Pivotally mounted spread roller assembly

Camera having film cassette hold back/film exit shade

Method of and apparatus for processing film

Selective closure of camera viewfinder and camera incorporating same

Film advance mechanism

Electro-mechanical shutter system having mechanical latch

Multiple mode imaging system

Folding camera

Preloaded single-use instant camera

Foldable photographic camera

Collapsible camera

Photographic film assemblage having instant film

Instant type camera for receiving a collapsible film cassette

Integral self-developing film unit and system for use thereof

Film processing apparatus for self-processing film unit with a folded applicator

Film advancing apparatus

Varying frictional forces on a film advancing apparatus

Projector

Duel focal plane photocells

Photographic apparatus having a spring driven motor

Exposure control system for photographic apparatus

Latched shutter system having automatic delay of latch reset

Photographic apparatus

Reflex camera having pivotable mirror

Self-processing film unit with liquid applicator

Camera for taking multiple exposures on a single sheet of film

Camera having manually operable dark slide ejection apparatus

Camera with movable film drive and optical unit

Self-developing camera

DOUGLAS LAWRENCE M

Through dovetailing jig assembly

Through dovetailing jig assembly

Drill bit dresser