Charles Mackenzie-Smith

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevator car door control system
- Patent number 11,772,937
- Issue date Oct 3, 2023
- G.A.L. Manufacturing Company, LLC
- Charles MacKenzie-Smith
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator door roller and track replacement
- Patent number 11,731,858
- Issue date Aug 22, 2023
- G.A.L. Manufacturing Company, LLC
- Bismark J. Aldana
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator door roller and track replacement
- Patent number 11,623,846
- Issue date Apr 11, 2023
- G.A.L. Manufacturing Company, LLC
- Bismark J. Aldana
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Elevator Car Door Control System
- Publication number 20230271810
- Publication date Aug 31, 2023
- G.A.L. Manufacturing Company, LLC
- Charles MacKenzie-Smith
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator Door Roller and Track Replacement
- Publication number 20230136099
- Publication date May 4, 2023
- G.A.L. Manufacturing Company, LLC
- Bismark J. Aldana
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator Door Roller and Track Replacement
- Publication number 20220033227
- Publication date Feb 3, 2022
- G.A.L. Manufacturing Company, LLC
- Bismark J. Aldana
- B66 - HOISTING LIFTING HAULING