| Number | Name | Date | Kind |
|---|---|---|---|
| 1541143 | Hoile | Jun 1925 | A |
| 2718301 | Palmer | Sep 1955 | A |
| 2723027 | Guyer | Nov 1955 | A |
| 2842304 | Ringler | Jul 1958 | A |
| 2930516 | Fowle et al. | Mar 1960 | A |
| 2975891 | Stone | Mar 1961 | A |
| 3263861 | Carr | Aug 1966 | A |
| 3265283 | Farquhar | Aug 1966 | A |
| RE26083 | Forrer | Sep 1966 | E |
| 3300115 | Schauer | Jan 1967 | A |
| 3356279 | Root | Dec 1967 | A |
| 3517858 | Farqijar | Jun 1970 | A |
| 3540581 | Koolnis | Nov 1970 | A |
| 3765327 | Vargo | Oct 1973 | A |
| 3894681 | Arneson et al. | Jul 1975 | A |
| 4000811 | Hardison et al. | Jan 1977 | A |
| 4030596 | Snyder et al. | Jun 1977 | A |
| 4214660 | Hunt, Jr. | Jul 1980 | A |
| 4222485 | Focke | Sep 1980 | A |
| 4364509 | Holley, Jr. et al. | Dec 1982 | A |
| 4375258 | Crayne et al. | Mar 1983 | A |
| 4396143 | Killy | Aug 1983 | A |
| 4417661 | Roccaforte | Nov 1983 | A |
| 4726471 | Whately et al. | Feb 1988 | A |
| 4919266 | McIntosh, Jr. et al. | Apr 1990 | A |
| 4974771 | Lavery | Dec 1990 | A |
| 5123589 | Cote | Jun 1992 | A |
| 5137211 | Summer et al. | Aug 1992 | A |
| 5170934 | Lemoine | Dec 1992 | A |
| 5279440 | Fougeres et al. | Jan 1994 | A |
| 5368194 | Oliff et al. | Nov 1994 | A |
| 5622309 | Matsuda et al. | Apr 1997 | A |
| 5722584 | Fujiwara | Mar 1998 | A |
| 5775574 | Whitnell | Jul 1998 | A |
| 5878947 | Hoy et al. | Mar 1999 | A |
| 6105854 | Spivey et al. | Aug 2000 | A |
| 6176419 | Holley, Jr. | Jan 2001 | B1 |
| 6283293 | Lingamfelter | Sep 2001 | B1 |
| Number | Date | Country |
|---|---|---|
| 7510538 | Aug 1975 | DE |
| 8514718.4 | Aug 1985 | DE |
| 3612594 | Oct 1987 | DE |
| 0849189 | Jun 1998 | EP |
| WO 9629260 | Sep 1996 | WO |
| WO 9721607 | Jun 1997 | WO |
| Entry |
|---|
| US2002/0070139A1, Published Jun. 13, 2002; effective filing date Dec. 12, 2000.* |
| US2002/00701391A1, published Jun. 2002, Bates. |