Overhead trolley-switch and crossover.

Invention Grant

US1042615A Overhead trolley-switch and crossover. 失效

Title translation: OVERHEAD TROLLEY-SWITCH和CROSSOVER。

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Patent Title: Overhead trolley-switch and crossover.
Patent Title (中): OVERHEAD TROLLEY-SWITCH和CROSSOVER。
Application No.: US1909513802

Application Date: 1909-08-20
Publication No.: US1042615A

Publication Date: 1912-10-29
Inventor: SIMPSON WILLIAM M
Applicant: RAILWAY MATERIALS COMPANY
Assignee: Railway Materials Company
Current Assignee: Railway Materials Company
Priority: US1909513802 1909-08-20

Overhead trolley-switch and crossover.

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