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Inventor

Stephen F. Royka

Inventor
Fairport, NY, US

Overview

1→
Patents
1976
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

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

G03Gprimary
G03GElectrography33%
G06KGraphical data reading33%
G09BEducational or demonstration appliances33%
PatentTitleYear
3,938,993'Xerographic method for making a responsive answer system'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to XEROX CORP (1)· patent assignee history
1976Based in Fairport, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XEROX CORP11976
Locations
LocationPatentsSpan
Fairport, New York, US11976