FR635431A
(en )
1928-03-15
Portable device for disinfection and destruction of vermin
CH114439A
(en )
1926-08-02
Apparatus for the destruction of insects.
CH85144A
(en )
1920-05-17
Apparatus for the destruction of animals and harmful germs.
FR681359A
(en )
1930-05-14
Products for the destruction of animals
FR501888A
(en )
1920-04-28
Aeration device for various rooms
CH95804A
(en )
1922-08-16
Apparatus for the artificial breastfeeding of young cattle, without human intervention.
FR528552A
(en )
1921-11-15
Device for ozone production
FR551954A
(en )
1923-04-18
Method and apparatus for disinfecting and destroying pests using sulfur dioxide
FR594028A
(en )
1925-09-04
Device for the destruction of insects and other harmful animals
FR522158A
(en )
1921-07-27
Hygienic sprayer and perfumer
FR498652A
(en )
1920-01-20
Alarm device
FR504680A
(en )
1920-07-12
Apparatus for spraying and drying fertilizer
FR603799A
(en )
1926-04-22
Product for the destruction of inferior animals and devices for using this product
FR603580A
(en )
1926-04-19
Apparatus for disinfection of the urethra canal
FR504825A
(en )
1920-07-17
Apparatus, device and methods for the destruction of vine pests
FR564284A
(en )
1923-12-26
Hut for the intensive breeding of backyard animals
FR24946E
(en )
1922-11-17
Apparatus for the injection of logs
FR496583A
(en )
1919-11-11
Apparatus for chloroform anesthesia
FR30820E
(en )
1926-10-02
Product for the destruction of inferior animals and devices for using this product
FR471751A
(en )
1914-11-11
Apparatus to facilitate medical and surgical operations performed on small animals
FR545185A
(en )
1922-10-06
Apparatus for destroying weeds and harmful insects
FR506776A
(en )
1920-08-30
Apparatus for the distribution of granulated or powdered materials
FR507222A
(en )
1920-09-08
Apparatus for measuring the effect of human energy
CH57643A
(en )
1913-01-16
Apparatus for disinfecting the vagina of animals
ES79675A1
(en )
1922-01-16
Procedure and apparatus for the destruction of parasites.