Patent Grant
D318526
| Number | Name | Date | Kind |
|---|---|---|---|
| D164139 | Bastian | Jul 1951 | |
| D179847 | Griner | Mar 1957 | |
| D307320 | Shin-Chin | Apr 1990 | |
| 1725085 | Johnson | Aug 1929 | |
| 1990801 | Spear | Feb 1935 | |
| 2118282 | Will | May 1938 | |
| 2123448 | Weber | Jul 1938 | |
| 2456340 | Tideman | Dec 1948 | |
| 2487294 | Belter | Nov 1949 | |
| 2644390 | Delf et al. | Jul 1953 | |
| 2691336 | Nash | Oct 1954 | |
| 2804817 | Delf et al. | Sep 1957 | |
| 2805820 | Evarts | Sep 1957 | |
| 2857095 | Grau | Oct 1958 | |
| 4123197 | Keem et al. | Oct 1978 | |
| 4222318 | Patton et al. | Sep 1980 | |
| 4341151 | Sakamoto | Jul 1982 | |
| 4350472 | Morimoto | Sep 1982 | |
| 4365930 | Ogura et al. | Dec 1982 | |
| 4425840 | Masao | Jan 1984 | |
| 4521153 | Morimoto et al. | Jun 1985 | |
| 4657483 | Bede | Apr 1987 | |
| 4838151 | Shin-Chin | Jun 1989 | |
| 4872399 | Chaney | Oct 1989 |
| Entry |
|---|
| Lakewood Fan Cat., p. 9, High Velocity Reversible Window Fan. |
| Copy of a photograph of a Holmes Air Fan known by applicant before applicant's invention. |
| Lasko copy of advertisement--these fans were on sale prior to applicant's invention. |
