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| All Patents in class 222/473 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,241,511 | Oct. 02, 1917 | A.L. Hansen | Safety Oil Can | oil cans | |
| 1,607,855 | Nov. 23, 1926 | F.D. Winkley | Lubricating apparatus | industrial machine lubrication | |
| 1,816,792 | Jul. 28, 1931 | S.O. Paull | Hand oiler | oil cans | |
| 2,061,476 | Nov. 17, 1936 | S.O. Paull | Hand oiler | oil cans | |