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Patents for Ira J. Clark | |||||
Number | Date | Patentee | Title | Type | |
1,871,498 | Aug. 16, 1932 | I.J. Clark | Valve Lifter | valve spring tools | |
RE19,414 | Jan. 08, 1935 | I.J. Clark | Valve Spring Compressor | valve spring tools | |
2,091,500 | Aug. 31, 1937 | I.J. Clark | Valve Tool | valve spring tools | |
2,119,128 | May 31, 1938 | I.J. Clark | Valve Spring Compressor | valve spring tools |