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| Patents for E. E. Masson | |||||
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| Number | Date | Patentee | Title | Type | |
| RE7,820 | Jul. 31, 1877 | M. Sweet | Improvement in curry-combs | ||
| 346,444 | Jul. 27, 1886 | M. Sweet | Curry-comb | grooming equipment | |
| 355,939 | Jan. 11, 1887 | F.F. Landis | Traction Engine | steam traction engines | |
| 409,522 | Aug. 20, 1889 | M. Sweet | Machine for riveting curry-combs | grooming equipment | |
| 474,566 | May 10, 1892 | S.B. Rittenhouse | Wrench | alligator wrenches | |
| 628,218 | Jul. 04, 1899 | A.W. Ashworth, R. Ashworth | Wrench | pipe wrenches | |