IP Library › Granted Patent US 4,849,061
Granted Patent Utility
US 4,849,061 · App. 07/083,048

Method of making plastic filter units having a welded cellulose filter

Inventor: Robert G. Relyea
Patented Case View Patent ↗
Granted: Jul 18, 1989 Filed: Aug 10, 1987
Inventor
Robert G. Relyea
Assignee (at issue)
Manufacturers Hanover Trust Company

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Quick Facts
Patent No.
US 4,849,061
App. No.
07/083,048
Filed
1987-08-10
Granted
1989-07-18
Kind
A