IP Library Granted Patent US 4,439,175
Granted Patent Utility
US 4,439,175 · App. 06/311,104

Apparatus for forming thermal insulation blocks

Inventors: Anthony E. Cimochowski, Brad A. Heffelmire
Patented Case View Patent ↗
Granted: Mar 27, 1984 Filed: Oct 13, 1981
Inventors
Anthony E. Cimochowski
Brad A. Heffelmire
Assignee (at issue)
Manville Service Corporation

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Quick Facts
Patent No.
US 4,439,175
App. No.
06/311,104
Filed
1981-10-13
Granted
1984-03-27
Kind
A