CH75814A
(en )
1917-09-17
Mast and method of making the same
CH72196A
(en )
1916-04-17
Hyperbolic wheel and method of making the same
CH72296A
(en )
1916-05-01
Nail and method of making the same
CH71958A
(en )
1916-03-16
Bevel gear and method of making the same
CH71687A
(en )
1916-02-01
Heating element and method of making the same
CH72805A
(en )
1916-07-01
Firelighter and method of making the same
CH68168A
(en )
1915-02-16
Cross-wound bobbin and method of making the same
CH78054A
(en )
1918-10-01
Reinforced concrete stairs and method of making the same
CH65479A
(en )
1914-06-16
Stone sleeve and method of making the same
CH71079A
(en )
1915-12-01
Talking machine pen and method of making the same
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH78053A
(en )
1918-06-17
Artificial building block and method of making the same
CH78049A
(en )
1918-10-01
Reinforced concrete ceiling and method of making the same
CH58212A
(en )
1913-03-01
Oven and method of making the same
CH65709A
(en )
1914-07-01
Heald and method of making the same
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH82936A
(en )
1919-11-01
Key and method of making the same
CH58203A
(en )
1913-03-01
Earmuffs and methods of making the same
CH70609A
(en )
1915-10-01
Welding sheet and method of making the same
CH72042A
(en )
1916-04-01
Tape and method of making the same
CH66696A
(en )
1914-10-01
Elastic fabric and method of making the same
CH79288A
(en )
1918-11-01
Space-enclosing construction and method of manufacturing the same
CH64169A
(en )
1914-03-16
Fish tape and method of making the same
CH51164A
(en )
1911-08-01
Propellant and method of making the same
CH56157A
(en )
1912-10-01
Combination photographic negative and method of making the same