| All Patents in class 451/338 | 
| Patents 1 - 
					7
					of 7 
       | 
| Number | Date | Patentee | Title | Type | 
| 26,787 | Jan. 10, 1860 | C.B. Rogers | Making rope molding | rope and spiral cutting machines | 
| 132,519 | Oct. 29, 1872 | G. Braun | Improvement in machines for polishing pencils | pencil making machines | 
| 432,144 | Jul. 15, 1890 | W.J. Muncaster | Machine for Polishing Shafting | polishing machines | 
| 513,880 | Jan. 30, 1894 | M. Shebesta, M.E. Clark | Sander | sanding machines | 
| 980,052 | Dec. 27, 1910 | J. Hausman, J.C. Blevney | Grinding and polishing machine | sanding machines | 
| 1,822,337 | Sep. 08, 1931 | J.E. Caster | Grinding Machinery | grinding machines | 
| 2,449,201 | Sep. 14, 1948 | H.N. Buss | Planer construction | wood planers |