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All Patents in class 123/142.5R | |||||
Number | Date | Patentee | Title | Type | |
414,173 | Oct. 29, 1889 | E. Stevens | Combined Gas and Compressed Air Engine | ||
1,575,735 | Mar. 09, 1926 | E.P. Burrell, J.J. Van Hamersveld | Way Guard for Machine Tools | metalworking machine mechanisms |