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HVAC Inventors/systemation, Inc.
2 patents in portfolio
US12257618
utility
2025
Apparatus and Method for Closing Duct Seams and for Inserting Angle Plates and Closing Duct Seams
0 cites
US11697147
utility
2023
Apparatus and Method for Forming Duct Flanges and Duct Work
0 cites