The cps with ridges in it
Oil cup 1853
18888
1840
1872
1833
1833
He invented it in the 1850's
No he re-desighned it to fold up.
Elijah McCoy was issued the first patent on his lubricating cup in July of 1872. Elijah kept improving his invention and received a total of 57 patents for it.
No he invented the automatic oil cup and lubricator.
in the year 1840
So it would be easier for people