Number | Name | Date | Kind |
---|---|---|---|
D383960 | Sandford et al. | Sep 1997 | |
3875831 | Beauloye | Apr 1975 | |
4319503 | Saine et al. | Mar 1982 | |
4486129 | Vowel | Dec 1984 | |
4739682 | Birkestrand | Apr 1988 | |
5605083 | Lupke et al. | Feb 1997 | |
5605084 | Pierce | Feb 1997 | |
5671646 | Sandford et al. | Sep 1997 |
Entry |
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Tri Tool Brochure (1995) describing Model 302 Tube Squarer. |