Patent Grant
D384900
| Number | Name | Date | Kind |
|---|---|---|---|
| D334540 | Amann et al. | Apr 1993 | |
| 732379 | Shireman | Jun 1903 | |
| 844243 | Breul | Feb 1907 | |
| 854351 | Hight | May 1907 | |
| 861799 | Breil | Jul 1907 | |
| 946965 | Dinsmoor | Jan 1910 | |
| 1257683 | Defenbaugh | Feb 1918 | |
| 1309930 | Akin | Jul 1919 | |
| 2883754 | Luebkeman | Apr 1959 | |
| 3303570 | Hamann, Sr. | Feb 1967 | |
| 4171573 | Picciotto | Oct 1979 | |
| 4235022 | Fernandez Aldape | Nov 1980 | |
| 4503624 | Whiteford | Mar 1985 | |
| 4599805 | Padilla | Jul 1986 | |
| 4669197 | Griew | Jun 1987 | |
| 5090129 | Cunningham | Feb 1992 |
