CH54540A
(en )
1912-06-01
Fine stone shaping and polishing machine
FR320146A
(en )
1902-12-02
Faceted Stone Cutting and Polishing Machine
CH38771A
(en )
1907-11-30
Stone sawing tool
FR338247A
(en )
1904-05-11
Improvements to machines for automatically cutting rhinestones and fine stones
FR421676A
(en )
1911-02-28
Adjustable tap for diamond and hard stone drilling lathe
CH4359A
(en )
1892-04-30
Tools for beveling and leveling
CH40805A
(en )
1908-08-17
Machine for automatically rounding and polishing fine stones
CH43346A
(en )
1909-05-01
Stone setting process and tool for the implementation of this process
CH2956A
(en )
1891-04-30
Hot diamond clamping tool for diamond saws
CH7774A
(en )
1894-07-31
Precision tool used to cut fine or false stones and to obtain series of identical or varied stones at will
FR371396A
(en )
1907-03-06
Improvements in means for sawing and working marble and other stones
FR476452A
(en )
1915-08-05
Machine for cutting or polishing gems or precious stones
CH37911A
(en )
1907-08-15
Watchmaking stone polishing machine
FR403286A
(en )
1909-10-29
Tool holder and circular or polygonal tool for metalworking machines
FR337904A
(en )
1904-05-03
Improvements with scissors for stones and metals
FR396915A
(en )
1909-04-24
Advanced machine for cutting and polishing fine and false gemstones
FR464389A
(en )
1914-03-19
Device for cutting and polishing precious stones
FR464390A
(en )
1914-03-19
Device for cutting and polishing precious stones
FR320438A
(en )
1902-12-10
Improvements to devices for cutting and polishing precious stones
FR378026A
(en )
1907-09-21
Stone for hand polishing lithographic stones
FR343077A
(en )
1904-09-24
Jewelery False Stone Cutting Machine
CH3089A
(en )
1891-06-15
New machine for sawing stones, marbles, etc.
FR482750A
(en )
1917-04-20
Precious stone cutting or polishing machine
CH11563A
(en )
1896-07-31
Removable chaton for jewelery stones
CH1430A
(en )
1889-12-14
Bondelles with set diamonds for the stone sawing industry