Title:
High frequency dental tool
United States Patent 2874470


Inventors:
Richards, James R.
Application Number:
US43331054A
Publication Date:
02/24/1959
Filing Date:
05/28/1954
Assignee:
Richards, James R.
Primary Class:
Other Classes:
73/304C, 310/26, 433/86, 433/88, 433/165, 601/2
International Classes:
A61C1/07; A61C3/03; A61C17/20
View Patent Images:
US Patent References:
2490273Structure for magnetostriction transducers1949-12-06
1966446Impact tool1934-07-17
1882393Magnetostrictive vibrator1932-10-11
1118301N/A1914-11-24