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Inventor

Leon D. Cerankowski

Inventor
Carlisle, MA, US

Overview

4→
Patents
1976–1985
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Cprimary
G03CPhotosensitive materials for photographic purposes50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
PatentTitleYear
4,496,651'Color transfer photographic processes and products'19854,456,674'Color transfer photographic processes and products'19844,298,674'Color transfer film and process'19813,932,360'Polyurethane elastomers prepared from diamine curing agents'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to POLAROID CORP (4)· patent assignee history
1976–1985Based in Carlisle, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
POLAROID CORP41976–1985
Locations
LocationPatentsSpan
Carlisle, Massachusetts, US41976–1985