IP Library Granted Patent US 4,305,821
Granted Patent Utility
US 4,305,821 · App. 06/215,588

Doctor blade lifter over belt seam

Inventors: Robert E. Crandall, Bert Krivec
Patented Case View Patent ↗
Granted: Dec 15, 1981 Filed: Dec 11, 1980
Inventors
Robert E. Crandall
Bert Krivec
Assignee (at issue)
Envirex, Inc.

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Quick Facts
Patent No.
US 4,305,821
App. No.
06/215,588
Filed
1980-12-11
Granted
1981-12-15
Kind
A