CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH76908A
(en )
1918-02-16
Burning briquette and process for making the same
CH72805A
(en )
1916-07-01
Firelighter and method of making the same
CH77220A
(en )
1918-03-16
Method of making briquettes
CH76063A
(en )
1917-11-01
Method and device for the production of peat and other briquettes
CH77094A
(en )
1918-03-01
Method of making briquettes
CH75029A
(en )
1917-05-16
Method of making briquettes
CH78070A
(en )
1918-11-01
Method of making briquettes
CH73900A
(en )
1916-12-01
Method of making briquettes
CH82936A
(en )
1919-11-01
Key and method of making the same
CH80574A
(en )
1919-03-17
Belts and methods of making the same
CH79181A
(en )
1918-10-16
Cardboard box and method of making the same
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH78053A
(en )
1918-06-17
Artificial building block and method of making the same
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH75814A
(en )
1917-09-17
Mast and method of making the same
CH73269A
(en )
1917-02-16
Method of making briquettes
CH75009A
(en )
1917-05-16
Method of making briquettes
CH71958A
(en )
1916-03-16
Bevel gear and method of making the same
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH70609A
(en )
1915-10-01
Welding sheet and method of making the same
CH58212A
(en )
1913-03-01
Oven 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
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs