Inventor

David M. Dean

Inventor
West Chester, PA, US

Overview

24→
Patents
1991–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 24 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds28%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
Y10TTechnical subjects covered by former us classification10%
G02BOptical elements, systems or apparatus7%
H01BCables7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
G07FCoin-freed or like apparatus5%
H01FMagnets5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
10,696,771Method of incorporating ethylene copolymers into latex20208,455,574'Composite compositions comprising cellulose and polymeric components'20138,431,650'Process for recycling polyolefin blend composition using an ethylene copolymer compatibilizing agent'20137,875,681'Process for recycling polyolefin blend composition using an ethylene copolymer compatibilizing agent'20117,700,692'Process for recycling polyolefin blend composition using an ethylene copolymer compatibilizing agent'20107,326,758'Ethylene copolymer with fluorine-containing graft and a process for preparing same'20087,279,234'Methods for identity verification using transparent luminescent polymers'20077,157,508'Polymer-linked asphalt compositions'20077,002,619'Method and apparatus for presenting stereoscopic images'20066,992,141'Blends of poly[α-methylenelact(one)(am)] homo-and copolymers'20066,953,619'Conductive thermoplastic compositions and antennas thereof'20056,846,429'Transparent paramagnetic polymer'20056,805,956'Process for coating a wire or cable with polyphenylene sulfide alloy and resulting coated wire'20046,790,542'Transparent paramagnetic polymer'20046,741,770'Transparent paramagnetic polymer'20046,723,790'Blends of poly-methylenelact(one)(am homo- and copolymers'20046,645,623'Polyphenylene sulfide alloy coated wire'20036,608,136'Polyphenylene sulfide alloy composition'20036,593,428'Syndiotactic polystyrene alloy compositions'20036,073,834'Apparatus and method for accepting return of unused medical items'20005,961,036'Apparatus and method for accepting return of unused medical items'19995,957,372'Apparatus and method for accepting return of unused medical items'19995,402,191'Method and apparatus for presenting stereoscopic images'19955,014,238'Universal input/output device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to DISTRIBUTED MATRIX CONTROL INC (1)· patent assignee history
1991–2006Based in Oakville, CA· patent location history
1995–2006Patents assigned to IMAX CORP (2)· patent assignee history
1999–2000Patents assigned to DIEBOLD INC (3)· patent assignee history
1999–2000Based in Burgettstown, PA, US· patent location history
2003–2013Patents assigned to DU PONT (17)· patent assignee history
2003–2020Based in West Chester, PA, US· patent location history
2013Patents assigned to DEAN DAVID M (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT172003–2013
DIEBOLD INC31999–2000
DEAN DAVID Mself22013
IMAX CORP21995–2006
DISTRIBUTED MATRIX CONTROL INC11991
Locations
LocationPatentsSpan
West Chester, Pennsylvania, US182003–2020
Oakville, CA31991–2006
Burgettstown, Pennsylvania, US31999–2000