Patent Grant
D346641
| Number | Name | Date | Kind |
|---|---|---|---|
| D278079 | Widerby | Mar 1985 | |
| D290640 | Andersson | Jun 1987 | |
| 1910961 | Perry | May 1933 | |
| 1992764 | Perry | Jan 1933 | |
| 2044913 | Miller | Jun 1936 | |
| 2349463 | Riddell | May 1944 | |
| 2488456 | Walker et al. | Nov 1949 | |
| 2604297 | Winstead | Jul 1952 | |
| 2701579 | Hasselquist | Feb 1955 | |
| 2710622 | Chupa | Jun 1955 | |
| 2772692 | Russell | Dec 1956 | |
| 2887120 | See | May 1959 | |
| 2942614 | Lardner | Jun 1960 | |
| 2997973 | Chakine | Apr 1961 | |
| 3083943 | Stewart, Jr. et al. | Jul 1959 | |
| 3829918 | Stamberger | Aug 1974 | |
| 3995653 | Mackal et al. | Dec 1976 | |
| 4004614 | Mackal et al. | Jan 1977 | |
| 4669498 | Hansen | Jun 1987 | |
| 4966185 | Schram | Oct 1990 |
