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| All Patents in class 254/10.5 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,050,746 | Jan. 14, 1913 | B. Morgan | Hand Tool | valve spring tools | |
| 1,898,121 | Feb. 21, 1933 | G.R. Gayne (Gagne) | Vehicle Spring Spreader | ||
| 2,259,533 | Oct. 21, 1941 | E.M. Pfauser | Spring Spreader | spreaders | |
| 4,502,664 | Mar. 05, 1985 | R.R. Zuzinec, Sr., R.B. Bendickson | MacPherson Spring Compressor | ||