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Inventor

Kenneth Crabtree

Inventor
Saugus, CA, US

Overview

2→
Patents
1980–1982
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions20%
G01DMeasuring not specially adapted for a specific variable20%
G01SRadio direction-finding20%
G02BOptical elements, systems or apparatus20%
G06FElectric digital data processing20%
PatentTitleYear
4,354,102'Cursor apparatus for interactive graphic display system'19824,213,704'Method and apparatus for sensing the position of a writing laser beam'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to SINGER CO (1)· patent assignee history
1980–1982Based in Saugus, CA, US· patent location history
1982Patents assigned to US AIR FORCE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SINGER CO11980
US AIR FORCE11982
Locations
LocationPatentsSpan
Saugus, California, US21980–1982