IP Library › Granted Patent US 4,756,957
Granted Patent Utility
US 4,756,957 · App. 06/422,067

Loose-fill insulation

Inventor: William H. Kielmeyer
Patented Case View Patent ↗
Granted: Jul 12, 1988 Filed: Sep 23, 1982
Inventor
William H. Kielmeyer
Assignee (at issue)
Manville Corporation

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Quick Facts
Patent No.
US 4,756,957
App. No.
06/422,067
Filed
1982-09-23
Granted
1988-07-12
Kind
A