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Western Wheeled Scraper Co

Western Wh

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US1572643A	Track shifting and raising machine	Expired / Lapsed	1925-05-25	1926-02-09	0	Details
US1513576A	Means for dumping cars	Expired / Lapsed	1923-01-19	1924-10-28	0	Details
US1395469A	Three-way valve	Expired / Lapsed	1918-12-02	1921-11-01	0	Details
US894280A	Engineer's valve for compressed-air-operated dump-cars.	Expired / Lapsed	1907-10-12	1908-07-28	0	Details