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| All Patents in class 220/288 | |||||
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| Number | Date | Patentee | Title | Type | |
| 386,115 | Jul. 17, 1888 | E. Douglas | Telescopic stop-cock for water-service | water valves | |
| 1,272,229 | Jul. 09, 1918 | M. Daly | Grease Cup Plug Lock | ||
| 1,486,707 | Mar. 11, 1924 | A.L. Warner | Gate box | ||