All Patents of Type: metal ball making machines |
Patents 1 -
4
of 4
|
Number | Date | Patentee | Title | Type |
491,452 | Feb. 07, 1893 | G. Taylor | Apparatus for Manufacturing Metal Balls | metal ball making machines |
494,737 | Apr. 04, 1893 | C.O. Dost | Device for Spheric Turning | metal ball making machines |
GB-189,510,925 | Jul. 06, 1895 | F. Fischer | Improvements in machines for milling and grinding balls | metal ball making machines |
5,421,535 | Jun. 06, 1995 | R.L. Clune, D.P. Hemmert | Method and Apparatus for Automatically Winding Scrap Metallic Strip Material | metal ball making machines |