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Patent No. US 10480814
Issue Date Nov 19, 2019
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Patent 10480814 - Apparatus and process for forming an oval shaped HVAC duct > Summary

US Patent

Patent No. US 10480814

Published on Nov 19, 2019

Application No. 15/843856

Filed on Dec 15, 2017

Priority Date -

Inventor/Applicants

Rossi, Jose E - Ponce, PR US

Classification

International:5

F24F 13/02

B21B 17/14;

B21D 7/08;

B21B 37/78;

B21B 17/10;

Examiner

Battula, Pradeep C

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