LexDanaLexDanabeta
Inventor

Frederick H. Purtell

Inventor
Endwell, NY, US

Overview

1→
Patents
1982
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.

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them100%
PatentTitleYear
4,318,589'Segmented curved screen construction for preserving a predefined curvature'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to SINGER CO (1)· patent assignee history
1982Based in Endwell, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SINGER CO11982
Locations
LocationPatentsSpan
Endwell, New York, US11982