Number | Name | Date | Kind |
---|---|---|---|
1727337 | Crawford | Sep 1929 | |
3100461 | Werner | Aug 1963 | |
3186471 | Costenbader et al. | Jun 1965 | |
3766868 | Mahr | Oct 1973 |
Entry |
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Eclipse, Inc. Brochure Entitled "Installation Suggestions and Material Selection Guide for Combustion Blocks and Block Holders" published Apr. 1980. |