| Number | Name | Date | Kind |
|---|---|---|---|
| D261922 | Mariager et al. | Nov 1981 | |
| D262135 | Halls | Dec 1981 | |
| D262308 | Christophel | Dec 1981 | |
| D264496 | Larsen | May 1982 | |
| D264621 | Becker, Jr. | May 1982 | |
| D265237 | Beck et al. | Jun 1982 | |
| D272176 | Chastain, Jr. | Jan 1984 | |
| D278179 | Craver | Mar 1985 | |
| 1309024 | Forbes | Jul 1919 | |
| 1336700 | Johnston | Apr 1920 | |
| 1546503 | Meier | Jul 1925 | |
| 2048675 | Baruch et al. | Jul 1936 | |
| 2196934 | Morgan | Apr 1940 | |
| 2791213 | Goulding, Sr. | May 1957 | |
| 4015581 | Martenson | Apr 1977 | |
| 4129113 | Bergstrom | Dec 1978 | |
| 4263889 | Martenson | Apr 1981 | |
| 4282855 | Perry | Aug 1981 | |
| 4305373 | Martenson | Dec 1981 | |
| 4354480 | Henderson et al. | Oct 1982 | |
| 4375803 | Love | Mar 1983 | |
| 4441482 | Luscombe | Apr 1984 |
| Number | Date | Country |
|---|---|---|
| 3140499 | Oct 1981 | DEX |
| Entry |
|---|
| Brochure (undated), F.-X Drolet Inc.-Energy Division. |
| Brochure (undated), entitled "Firenymph Insert". |
| Brochure (undated), Vulcan Fabricating Co., Inc. |