The broken lines in the drawings represent unclaimed environmental subject matter.
The broken lines in the drawings represent unclaimed environmental subject matter.
Number | Name | Date | Kind |
---|---|---|---|
763745 | Gheen | Jun 1904 | A |
1021886 | Peiper et al. | Apr 1912 | A |
1426537 | Bauer | Aug 1922 | A |
1915665 | Gromoll | Jun 1933 | A |
2048300 | Showers | Jul 1936 | A |
2545979 | Tregear | Mar 1951 | A |
3090343 | Ronsheim | May 1963 | A |
3398714 | Wallin et al. | Aug 1968 | A |
D241711 | Wallace | Oct 1976 | S |
4175595 | Noe | Nov 1979 | A |
4212303 | Nolan | Jul 1980 | A |
4258843 | Wymer | Mar 1981 | A |
D298212 | Gross | Oct 1988 | S |
4856517 | Collins et al. | Aug 1989 | A |
5307751 | Shell | May 1994 | A |
D377597 | Podgers | Jan 1997 | S |
5625925 | Richards | May 1997 | A |
D396792 | Connors | Aug 1998 | S |
5921991 | Whitehead et al. | Jul 1999 | A |
D414995 | Hsieh | Oct 1999 | S |
6113328 | Claucherty | Sep 2000 | A |
6163936 | Benoit | Dec 2000 | A |
D477524 | Chen | Jul 2003 | S |
6763776 | Perri et al. | Jul 2004 | B1 |
D616719 | Moore | Jun 2010 | S |
D618075 | Huang | Jun 2010 | S |
20030069589 | Small | Apr 2003 | A1 |
20070209165 | Sorensen et al. | Sep 2007 | A1 |