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Inventor

Douglas Carlson

Inventor
Shelby, NC, US

Overview

2→
Patents
1998–2002
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 2 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification50%
E04DRoof coverings25%
G05GControl devices or systems insofar as characterised by mechanical features only25%
PatentTitleYear
6,378,259'Roofing felt with adhesive on front and rear faces'20025,800,267'Progressive resistance device with self centering for multi axial motion input'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Based in Buckeye, AZ, US· patent location history
2002Based in Shelby, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Locations
LocationPatentsSpan
Shelby, NC, US12002
Buckeye, AZ, US11998