Title:
Selectively engageable control knob
United States Patent 2727406
Inventors:
Opocensky, Willard J.
Publication Date:
12/20/1955
Export Citation:
Assignee:
LIBRASCOPE INC
Primary Class:
Other Classes:
74/547, 74/553, 192/69.62, 192/114R
International Classes:
G05G1/08; G05G1/00
View Patent Images:
US Patent References:
2590263Electrical control apparatus
2156200Machine handle
1430468Clutch
0991577N/A
0979530N/A
0503747N/A