| Patents for Concrete Surfacing Machinery Co. |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| FR-482,422 | Mar. 20, 1917 | J.O. Berg | Tool for treating stone, concrete and other materials | handheld power tools |
| 1,223,359 | Apr. 24, 1917 | J.O. Berg | Tool for treating stone, concrete and other materials | handheld power tools |
| GB-106,701 | Jun. 07, 1917 | J.O. Berg | Tool for treating stone, concrete and other materials | handheld power tools |
| 1,230,842 | Jun. 26, 1917 | J.O. Berg | Tool for treating stone, concrete and other materials | handheld power tools |
| RE14,392 | Nov. 13, 1917 | J.O. Berg | Tool for treating stone, concrete and other material | handheld power tools |
| 1,264,647 | Apr. 30, 1918 | J.E. Hodges | Device for applying stucco | handheld power tools |
| RE14,721 | Sep. 09, 1919 | J.E. Hodges | Device for applying stucco | handheld power tools |
| 1,640,570 | Aug. 30, 1927 | G.E. Hieber | Power hammer | |
| 1,874,220 | Aug. 30, 1932 | F.E. Aurand | Portable surface cleaning tool | handheld power tools |
