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Inventors
Charles Mackenzie-smith
Astoria, NY
US
2 patents
3 Patents
US11772937
2023
Elevator Car Door Control System
G.A.L. Manufacturing Company, LLC
0 cites
US11731858
2023
Elevator Door Roller and Track Replacement
G.A.L. Manufacturing Company, LLC
0 cites
US11623846
2023
Elevator Door Roller and Track Replacement
G.A.L. Manufacturing Company, LLC
0 cites