Variable Refrigerant Flow System
Copyright © Targeted News Service 2024
2024-12-03
ALEXANDRIA, Virginia, Dec. 3 -- LENNOX INDUSTRIES INC., Richardson, Texas has been assigned a patent (No. US 12158282 B2, initially filed Oct. 18, 2023) developed by three inventors Der-Kai Hung, Dallas, Texas; Lin Lan, Colleyville, Texas; and Christopher John Drury, Frisco, Texas, for "Variable refrigerant flow system." . . .