IP Library › Granted Patent US 4,333,279
Granted Patent Utility
US 4,333,279 · App. 06/109,377

Three-tab shingle with staggered butt edge feature

Inventors: Raymond L. R. Corbin, Robert F. Reinhart
Patented Case View Patent ↗
Granted: Jun 8, 1982 Filed: Jan 3, 1980
Inventors
Raymond L. R. Corbin
Robert F. Reinhart
Assignee (at issue)
Manville Service Corporation

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Quick Facts
Patent No.
US 4,333,279
App. No.
06/109,377
Filed
1980-01-03
Granted
1982-06-08
Kind
A