The broken lines in the drawings represent unclaimed subject matter.
The broken lines in the drawings represent unclaimed subject matter.
Number | Name | Date | Kind |
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1108914 | Landolt | Sep 1914 | A |
1549470 | Egbert | Aug 1925 | A |
2681481 | Mason | Jun 1954 | A |
D182419 | Labrie | Apr 1958 | S |
D189963 | Sodeman | Mar 1961 | S |
3058517 | Jacobs et al. | Oct 1962 | A |
3099865 | Burnett | Aug 1963 | A |
3221462 | Pomeroy | Dec 1965 | A |
D206680 | Hedberg | Jan 1967 | S |
3340661 | Krieger | Sep 1967 | A |
3358412 | Martin | Dec 1967 | A |
3372522 | Engstrom | Mar 1968 | A |
3381431 | Jacobson | May 1968 | A |
3411258 | Kessler | Nov 1968 | A |
3645058 | Jacobson et al. | Feb 1972 | A |
3918202 | Smith | Nov 1975 | A |
D239593 | Douma | Apr 1976 | S |
4000590 | Kordewick | Jan 1977 | A |
D251542 | Ozvath et al. | Apr 1979 | S |
4437284 | Cribben et al. | Mar 1984 | A |
4644721 | Bloomquist et al. | Feb 1987 | A |
4671031 | Intengan | Jun 1987 | A |
4681354 | Warwick | Jul 1987 | A |
4702055 | Ralph | Oct 1987 | A |
4707963 | Governale | Nov 1987 | A |
D298604 | Newton | Nov 1988 | S |
4838001 | Battles | Jun 1989 | A |
4854100 | La See | Aug 1989 | A |
4858386 | Nail | Aug 1989 | A |
D309707 | Barnes | Aug 1990 | S |
4970840 | Ouellette et al. | Nov 1990 | A |
D315490 | McAfee | Mar 1991 | S |
5174063 | Lewis et al. | Dec 1992 | A |
D332213 | Woyach et al. | Jan 1993 | S |
5226919 | Milligan | Jul 1993 | A |
5269096 | Hade | Dec 1993 | A |
5437133 | Pliml | Aug 1995 | A |
D364794 | Eberschlag | Dec 1995 | S |
6026621 | Fisher | Feb 2000 | A |
6085481 | Lee | Jul 2000 | A |
6128871 | Corey | Oct 2000 | A |
6131356 | Gieseke | Oct 2000 | A |
6155010 | Becken et al. | Dec 2000 | A |
6230456 | Merchlewitz | May 2001 | B1 |
6244013 | Lee | Jun 2001 | B1 |
6481158 | Marks | Nov 2002 | B1 |
6494002 | Gieseke | Dec 2002 | B1 |
6718704 | Plummer et al. | Apr 2004 | B2 |
6898914 | Folsom et al. | May 2005 | B2 |
20010034990 | Reichert | Nov 2001 | A1 |
20020166297 | Plummer et al. | Nov 2002 | A1 |
Number | Date | Country |
---|---|---|
2106580 | Apr 1983 | GB |