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| All Patents in class 72/428 | |||||
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| Number | Date | Patentee | Title | Type | |
| 24,304 | Jun. 07, 1859 | C. Hewitt | Machine for Moving Iron at the Rolls | ||
| 462,775 | Nov. 10, 1891 | W.H. Potter | Hoop Riveting Machine | riveting machines | |
| 713,062 | Nov. 11, 1902 | E.M. Cobb | Machine for folding metal strips | sheet metal brakes | |
| 3,060,773 | Oct. 30, 1962 | K.F. Stroms | Adjustable Guide Bushing | metalworking machine mechanisms | |