Classement par Inventeurs / Calculateurs
Charles W. Frederick
|
Nom
|
Source
|
f/
|
Fmm
|
a°
|
Date
|
Type
|
Coupe
|
Inventeur
|
Maison
|
Lien
|
| _/_ | US 1 306 598 |
4,8
|
100
|
50
|
1919
|
11/11
|
 |
Charles W. Frederick and Frank E. Ross
|
Kodak
|
|
| Projection lens | US 1 620 339 |
2,5
|
100
|
20
|
1927
|
2/1
|
 |
C. W. Frederick
|
Kodak
|
|
| _/_ | US 1 685 600 |
2
|
95
|
25
|
1928
|
11/11
|
 |
C. W. Frederick, G. H. Aklin
|
Kodak
|
|
| _/_ | US 1 685 600 II |
2
|
95
|
25
|
1928
|
11/11
|
 |
C. W. Frederick, G. H. Aklin
|
Kodak
|
|
| _/_ | US 1 668 956 |
2,8
|
100
|
30
|
1928
|
11/11
|
 |
C. W. Frederik
|
Kodak
|
|
| _/_ | CA 0 295 363 |
2
|
100
|
45
|
1929
|
12/21
|
 |
C. W. Frederick
|
Kodak
|
|
| _/_ | US 2 165 365 I |
4,5
|
99
|
50
|
1939
|
11/2
|
 |
C. W. Frederick, W. Shade
|
Kodak
|
|
| _/_ | US 2 165 365 II (sur n°628) |
4,5
|
100
|
50
|
1939
|
211/2
|
 |
C. W. Frederick, W. Shade
|
Kodak
|
|
| _/_ | US 2 165 365 III (sur n°628) |
4,5
|
100
|
50
|
1939
|
211/2
|
 |
C. W. Frederick, W. Shade
|
Kodak
|
|
| _/_ | US 2 165 365 IV (sur n°628) |
4,5
|
100
|
50
|
1939
|
211/2
|
 |
C. W. Frederick, W. Shade
|
Kodak
|
|
| Ektar | GB 0 518 467 I |
3,5
|
100
|
44
|
1940
|
11/2
|
 |
C. Frederick, W. Shade
|
Kodak
|
|
| Ektar | GB 0 518 467 II |
3,5
|
100
|
54
|
1940
|
11/2
|
 |
C. Frederick, W. Shade
|
Kodak
|
|
| Ektar | CA 0 402 000 |
1,4
|
100
|
20
|
1942
|
12/22
|
 |
C. Frederick, M. Herzberger
|
Kodak
|
|
| Ektar | CA 0 402 000 II |
1,4
|
100
|
30
|
1942
|
12/22
|
 |
C. Frederick, M. Herzberger
|
Kodak
|
|