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| Patents for John Herbert Van Deventer | |||||
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| Picture | Number | Date | Patentee | Title | |
| GB-191,112,623 | May 23, 1912 | J.H. Van Deventer | Improvements in and relating to rotary engines | ||
 | 1,046,687 | Dec. 10, 1912 | J.H. Van Deventer | Rotary Engine | |
| 1,070,085 | Aug. 12, 1913 | J.H. Van Deventer | Rotary engine | ||
 | 1,070,086 | Aug. 12, 1913 | J.H. Van Deventer | Rotary Engine | |
 | 1,070,087 | Aug. 12, 1913 | J.H. Van Deventer | Metallic Packing | |
 | 1,070,088 | Aug. 12, 1913 | J.H. Van Deventer | Counterbalanced Bearing | |