| Number | Name | Date | Kind |
|---|---|---|---|
| 270410 | Fox | Jan 1883 | |
| 1171536 | Ostrander | Feb 1916 | |
| 1171740 | Martus | Feb 1916 | |
| 1300609 | Heinkel | Apr 1919 | |
| 1403090 | Merrick | Jan 1922 | |
| 1532148 | Malone | Apr 1925 | |
| 1593433 | Carlson | Jul 1926 | |
| 1768720 | Taylor | Jul 1930 | |
| 1913555 | Lyle | Jun 1933 | |
| 2266689 | Lemison | Dec 1941 | |
| 2344423 | Simmons | Mar 1944 | |
| 2926033 | Zarrillo | Feb 1960 | |
| 3255654 | Bleicher | Jun 1966 | |
| 3975979 | Stoddard | Aug 1976 | |
| 4298299 | Quarles | Nov 1981 | |
| 4592689 | Leitzke | Jun 1986 | |
| 5217338 | Czubek | Jun 1993 | |
| 5324152 | Anderson, IV | Jun 1994 | |
| 5599150 | Edwards et al. | Feb 1997 | |
| 5662446 | Haan | Sep 1997 |
| Number | Date | Country |
|---|---|---|
| 1369526 | Jan 1964 | FRX |
| Entry |
|---|
| Springs and formed wires, p. 10, formed wire, item 92899 located at bottom of page, Jan. 1947. |