DOWN RIVER INTERNATIONAL, INC.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 12, 1989 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 132 Total Citation Count
- Feb 23, 1982 Earliest Filing
- 4 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4431405 Gas pollution control apparatus and method and wood drying system employing sameExpiredFeb 23, 82Feb 14, 84[F23K, F27B, B01D]
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