Inventor
Roy S. Swenson
Inventor
Central Valley, NY, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Fprimary
D21FPaper-making machines70%
Y10TTechnical subjects covered by former us classification20%
D21HPulp compositions10%
PatentTitleYear
4,718,981'Bleached kraft paperboard by densification and heat treatment'19884,718,982'Densification and heat treatment of paperboard produced from SCMP and other sulfite pulps'19884,692,212'Kraft linerboard by densification and heat treatment'19874,512,849'Wet-laid, non-woven fabrics'19854,200,488'Viscous dispersion for forming wet-laid, non-woven fabrics'19804,049,491'Viscous dispersion for forming wet-laid, non-woven fabrics'19774,007,083'Method for forming wet-laid non-woven webs'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1988Patents assigned to INT PAPER CO (7)· patent assignee history
1977–1985Based in Central Valley, NY, US· patent location history
1987–1988Based in Ringwood, NJ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INT PAPER CO | 7 | 1977–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Central Valley, New York, US | 4 | 1977–1985 |
| Ringwood, New Jersey, US | 3 | 1987–1988 |