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| Patents for John Gross | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 130,853 | Aug. 27, 1872 | H.W. Hill | Improvement in Implements for Ringing Hogs | |
 | 156,669 | Nov. 10, 1874 | C.P. Housum | Instruments For Ringing Hogs | |
| 3,406,553 | Oct. 22, 1968 | J. Gross, J.J. Hiegel | Clamping and sticking guide | ||