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Inventor

Keith Chappell

Inventor
Cary, IL, US

Overview

1→
Patents
2012
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form25%
E04DRoof coverings25%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
8,206,817'Window and door flashing, roofing underlayment, protection course, root block and sound control underlayment material products'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to AMCOL INTERNATIONAL CORP (1)· patent assignee history
2012Patents assigned to CHAPPELL KEITH (1)· patent assignee history
2012Patents assigned to DONOVAN MICHAEL (1)· patent assignee history
2012Patents assigned to LOGSDON JASON M (1)· patent assignee history
2012Based in Cary, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMCOL INTERNATIONAL CORP12012
CHAPPELL KEITHself12012
DONOVAN MICHAEL12012
LOGSDON JASON M12012
Locations
LocationPatentsSpan
Cary, Illinois, US12012