| Number | Name | Date | Kind |
|---|---|---|---|
| 735520 | Ivanoff | Aug 1903 | |
| 1108111 | Adamson | Aug 1914 | |
| 1476007 | Rude | Dec 1923 | |
| 1945476 | Blazek et al. | Jan 1934 | |
| 1984960 | Beard | Dec 1934 | |
| 2213227 | Persson | Sep 1940 | |
| 2352290 | Saul et al. | Jun 1944 | |
| 2353623 | Saul | Jul 1944 | |
| 2572444 | Carden | Oct 1951 | |
| 2621688 | Wales | Dec 1952 | |
| 2938555 | Paajanen | May 1960 | |
| 3797546 | McGee | Mar 1974 | |
| 4000767 | Geng | Jan 1977 | |
| 4196761 | Royer | Apr 1980 | |
| 4542667 | Jang | Sep 1985 |
| Entry |
|---|
| Price List, "Titan Flange Spreader," Manufactured by Gearench Mfg. Company, Houston, Tex., Published prior to the application. |
| Brochure, "Flange-Jacks," The Garlock Packing Company, Palmyra, N.Y. Published Prior to the application. |
| "Catalog 92," McMaster-Carr Supply Company, p. 1217. |
| "Products Catalog," Gearench, Inc., Clifton, Tex., p. 30 (1990). |