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Patents for Ralph R. Trimmell | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 5,741,102 | Apr. 21, 1998 | R.R. Trimmell, G.W. Everett | Removable quasi-ratchet fastener | |
![]() | 5,842,822 | Dec. 01, 1998 | R.R. Trimmell, G.W. Everett | Removable quasi-ratchet fastener |