All Patents in class 72/123 |
Patents 1 -
7
of 7
|
Number | Date | Patentee | Title | Type |
12,669 | Apr. 10, 1855 | S.M. Cate | Die and Stock for Ornamenting Metal Tubes | metal lathe accessories and attachments |
213,321 | Mar. 18, 1879 | D. Bushor | Tube-Expander | pipe and tube expanders |
296,439 | Apr. 08, 1884 | W.T. Nicholson | Machine for Forming Teeth Upon File Blanks | file cutting machines |
390,899 | Oct. 09, 1888 | C.D. Wainwright, R.F. Pratt | Machine for Corrugating Wrought Metal Tubes | tube corrugating machines |
439,496 | Oct. 28, 1890 | B.B. Farris | Boiler Flue Beader | boilermaker |
933,981 | Sep. 14, 1909 | P.J. Havey | Metal Working Machine | upsetting machines |
2,040,761 | May 12, 1936 | A. Rothschmitt | Spherical Boring Head | boring heads |