Stone Working Patents (Class 125)

Miscellaneous (Class 125/1)

Dressing (Class 125/2)

Planing (Class 125/9)

Turning (Class 125/10)

Sawing (Class 125/12)

Rotary (Class 125/13.01)
Reciprocating (Class 125/16.01)
Oscillating (Class 125/19)
Disk cutting (Class 125/20)
Endless (Class 125/21)
Saw teeth (Class 125/22)

Splitting, shearing, and punching (Class 125/23.01)

Slate surfacing (Class 125/25)

Brick cleaning (Class 125/26)

Millstone dressing (Class 125/27)

Precious stone working (Class 125/30.01)

Work supports (Class 125/35)

Tools (Class 125/36)

Forming piezoelectric crystals (Class 125/901)

Class-related foreign documents (Class 125/FOR000)