IP Library › Granted Patent US 4,288,654
Granted Patent Utility
US 4,288,654 · App. 06/131,142

District-heating line

Inventors: Hans Blom, Leif Wiberg
Patented Case View Patent ↗
Granted: Sep 8, 1981 Filed: Mar 17, 1980
Inventors
Hans Blom
Leif Wiberg

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Quick Facts
Patent No.
US 4,288,654
App. No.
06/131,142
Filed
1980-03-17
Granted
1981-09-08
Kind
A