Number | Name | Date | Kind |
---|---|---|---|
2545930 | Richardson | Mar 1951 | |
2613958 | Richardson | Oct 1952 | |
3263476 | Hinderer | Aug 1966 | |
4845972 | Takeuchi et al. | Jul 1989 |
Number | Date | Country |
---|---|---|
867468 | Jan 1980 | SUX |
Entry |
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Sales Brochure of Lorine Manufacturing Co., "Metal Tubing Fabricators". |