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Inventor

Martin E. Humphries

Inventor
Bristol, GB

Overview

2→
Patents
1984–2011
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.

B64Gprimary
B64GCosmonautics33%
G02BOptical elements, systems or apparatus33%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices33%
PatentTitleYear
8,009,343'Optical imaging device having at least one system diaphragm'20114,446,662'Telescopic variable length device'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to BRITISH AEROSPACE (1)· patent assignee history
1984–2011Based in Bristol, GB· patent location history
2011Patents assigned to ZEISS CARL SMT GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH AEROSPACE11984
ZEISS CARL SMT GMBH12011
Locations
LocationPatentsSpan
Bristol, GB21984–2011