The broken lines in the drawings depict unclaimed environmental subject matter.
The broken lines in the drawings depict unclaimed environmental subject matter.
Number | Name | Date | Kind |
---|---|---|---|
2067230 | Bowers | Jan 1937 | A |
2375657 | Jackson | May 1945 | A |
2384999 | Heinrich | Sep 1945 | A |
2386399 | Jackson | Oct 1945 | A |
2401523 | Townsend | Jun 1946 | A |
2404125 | Donnelly, Jr. | Jul 1946 | A |
2415671 | Camilleri | Feb 1947 | A |
2449370 | Donnelly | Sep 1948 | A |
2477207 | Rinehart | Jul 1949 | A |
2681969 | Burke | Jun 1954 | A |
2692933 | Cornell | Oct 1954 | A |
2799771 | Donnelly, Jr. | Jul 1957 | A |
2899536 | Hoese et al. | Aug 1959 | A |
3140386 | Cartwright | Jul 1964 | A |
3356823 | Waters et al. | Dec 1967 | A |
3659072 | Carkhuff et al. | Apr 1972 | A |
D417828 | Amin | Dec 1999 | S |
D419044 | Amin | Jan 2000 | S |
D419408 | Amin | Jan 2000 | S |
D419838 | Amin | Feb 2000 | S |
D422186 | Amin | Apr 2000 | S |
D424388 | Amin | May 2000 | S |
D615573 | Peters et al. | May 2010 | S |