Gripper mechanism
United States Patent 3252727
US Patent References:
Device for pulling or carrying sucker rods
- - 1817233
Fluorescent light tube changer
- - 2392865
Tool for changing fluorescent lamp tubes
- - 2658786
Device for pulling or carrying sucker rods
- - 1817233
Fluorescent light tube changer
- - 2392865
Tool for changing fluorescent lamp tubes
- - 2658786
Inventors:
Frank, William DE.
Publication Date:
05/24/1966
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Export Citation:
Assignee:
Frank, William DE.
Primary Class:
Other Classes:
294/92
International Classes:
H01J9/00