FR634136A
(en )
1928-02-09
Bonding, masticating and impregnation process
FR664781A
(en )
1929-09-07
Process for taking impressions, in dentistry, and apparatus allowing the realization
FR641009A
(en )
1928-07-26
Shearing process and apparatus allowing the realization
FR668442A
(en )
1929-10-31
Method and apparatus for selecting tokens
FR654181A
(en )
1929-04-03
Apparatus for producing and using carburized air
FR628592A
(en )
1927-10-26
Method and apparatus for obtaining resin solutions directly in the cold
FR639388A
(en )
1928-06-20
Method and apparatus for the manufacture of circular brushes used for polishing, gilding, etc.
FR816622A
(en )
1937-08-12
Quick drying process and apparatus allowing the realization
FR662001A
(en )
1929-08-10
Electro-magnetic conjunction-disjunction apparatus
FR658851A
(en )
1929-06-21
Method and device for improving the distribution of dough in chipboard presses
FR592467A
(en )
1925-08-03
Apparatus for molding hollow objects, in fiber paste
FR705892A
(en )
1931-06-16
Method and device for obtaining relief printing, mainly in cinematographic projections, and the like
FR675391A
(en )
1930-02-10
Polychrome prints drying process
FR706915A
(en )
1931-07-01
Apparatus for the multiple reproduction, in the form of denominations, of writings, accounts articles, and the like, by reprint
CH115151A
(en )
1926-07-01
Method and apparatus for assisting hearing.
FR582043A
(en )
1924-12-10
Method and apparatus for increasing emission from sources in the ultra-violet region
FR673544A
(en )
1930-01-16
Improvements in artificial filaments, films, films and the like and process for their manufacture
FR647472A
(en )
1928-11-24
Improvements in apparatus for concentrating, dehydrating and the like
CH134529A
(en )
1929-07-31
Electromedical apparatus.
FR638521A
(en )
1928-05-26
Process for obtaining the cinematographic projection in color
FR35366E
(en )
1930-03-08
Method and apparatus for obtaining resin solutions directly from the cold
FR639293A
(en )
1928-06-18
Process and composition for obtaining indelible reproductions and writings
FR654934A
(en )
1929-04-12
Inking process
FR675357A
(en )
1930-02-10
Method and apparatus for drying lumber and the like
FR565663A
(en )
1924-02-02
Apparatus for marking railway tickets and the like