CH29052A
(en )
1904-07-15
Tenter frames for photographic use
CH28364A
(en )
1904-04-30
Two lens systems for photographic use
CH38341A
(en )
1907-10-15
Washing apparatus for photographic use
CH28921A
(en )
1904-06-30
Developing tray for photographic plates
FR3888E
(en )
1905-03-20
Self-detachable photographic films
FR345535A
(en )
1904-12-02
Self-detachable photographic films
FR331567A
(en )
1903-09-19
Photographic shutter
CH27941A
(en )
1904-03-15
Developing liquid containers for photographic copies
CH31037A
(en )
1905-02-28
Enlarger for photographs
CH29444A
(en )
1904-08-15
Roll film
CH13233A
(en )
1897-05-31
Lens for photographic use
CH17174A
(en )
1899-04-30
Two lens systems for photographic use
FR334640A
(en )
1903-12-28
Improvements made to photographic chambers
FR331335A
(en )
1903-09-04
Improvements made to photographic film frames
FR331336A
(en )
1903-09-04
Improvements made to photographic film frames
CH21113A
(en )
1901-05-31
Reflector for photographic use
CH27607A
(en )
1904-01-31
Tripod for photographic equipment etc.
FR326468A
(en )
1903-05-27
photographic emulsions
FR341359A
(en )
1904-08-06
Improvements in photography
CH19231A
(en )
1900-06-15
Three lens system for photographic use
CH24773A
(en )
1903-02-15
Photographic double lens
FR339223A
(en )
1905-01-17
Color photography process
FR335674A
(en )
1904-02-05
Photographic film chamber
CH30199A
(en )
1904-11-30
Holding device for photographic apparatus
CH39266A
(en )
1908-02-17
Daylight developing apparatus for photographic plates