Inventor

Ray A. Lewis

Inventor
Midland, MI, US

Overview

6→
Patents
1994–2010
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus22%
B29CShaping or joining of plastics11%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts11%
F21SNon-portable lighting devices11%
F21VFunctional features or details of lighting devices or systems thereof11%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
C08JWorking-up6%
C08LCompositions of macromolecular compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to DOW CHEMICAL CO (4)· patent assignee history
1994–2010Based in Midland, MI, US· patent location history
2001Patents assigned to CRANE CO (1)· patent assignee history
2010Patents assigned to DOW GLOBAL TECHNOLOGIES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO41994–1996
CRANE CO12001
DOW GLOBAL TECHNOLOGIES INC12010
Locations
LocationPatentsSpan
Midland, MI, US61994–2010