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All Patents in class 33/497 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 549,745 | Nov. 12, 1895 | R.S. Whittier, D.R. Porter | Two-Foot Rule | |
732,827 | Jul. 07, 1903 | S. Chambers | Combination Tool | ||
![]() | 981,786 | Jan. 17, 1911 | H.T. Montgomery | Tool | |
![]() | 1,690,832 | Nov. 06, 1928 | I.J. Owen | Combination Paper-Cutting Tool, Rule, and Drafting and Measuring Instrument |