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All Patents in class 15/3.53 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 4,866,319 | Sep. 12, 1989 | M.W. Crutchfield | Erasing machine | |
5,879,504 | Mar. 09, 1999 | P.M. Winter | Portable Apparatus for Removing Heat Softenable Surface Coverings |