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All Patents of Type: jar washing machines | |||||
Number | Date | Patentee | Title | Type | |
379,393 | Mar. 13, 1888 | H.A. Harvey | Machine for Making Washers | jar washing machines | |
2,818,873 | Jan. 07, 1958 | R.S. Bonzi, C.R. Carlson | Jar Washer | jar washing machines |