Inventor

PETRUCHIK DWIGHT J

US44 patents

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

PETRUCHIK DWIGHT J

EASTMAN KODAK CO

Pre-processing image editing

Camera, system and method for producing composite photographic image

Method and apparatus for preventing unauthorized recycling of single-use camera and permitting authorized reuse of the camera

Forming a display having conductive image areas over a light modulating layer

Process for laminating electrically addressable display

Compact camera with film magazine

Disk handling system and apparatus

Digital projector with scanner

Carrier for data storage disk

Switchable camera functions for right-hand and left-hand user actuated buttons

Selective removal of light modulating layer from electrically conductive layer of liquid crystal display substrate

Color display using cholesteric liquid crystals

Digital scanner

Electrically addressable display system with alignment reference features and process for forming same

Method of forming a liquid crystal display with color dielectric layer

Rewind mechanism for single-use camera

Half-frame film metering

Camera autowind gear mechanism

Composite image camera with flash device

Image forming apparatus having a transfer drum with a vacuum sheet holding mechanism

Compound image formation

Multiple function shutter button assembly

Compact one-time-use camera

Single use camera auto wind motor control mechanism

Film cartridge with visual indicator for verifying film loading in camera

Sealing band for water-resistant camera housing

Camera with space-saving elastomeric switch

Camera with flash illumination light source for phosphorescent exposure counter

Electronic flash apparatus

Apparatus for providing fogged write-on borders on film frame in camera

Water-resistant camera assembly

Printing device fluid reservoir with alignment features

Printing device fluid reservoir with alignment features

Printing device fluid reservoir chassis with alignment features

PETRUCHIK DWIGHT J

Insert molded printhead substrate

Injection molded mounting substrate

Inkjet printhead with layered ceramic mounting substrate

Injection molded mounting substrate

Ink tank feature for improved mounting reliability

Printhead with improved ink tank mounting reliability

Carriage with improved print cartridge mounting reliability

CIMINELLI MARIO J

Metalized printhead substrate overmolded with plastic

Fluid ejection assembly having a mounting substrate

Die mounting assembly formed of dissimilar materials