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Class Information
Number: 254/7C
Name: Implements or apparatus for applying pushing or pulling force > Hoisting truck > Screw > Platform type
Description:


Patents under this class:

Patent Number Title Of Patent Date Issued
7246784 Spring-loaded shelf for a cooler Jul. 24, 2007
5848668 Portable lifting system for easy movement of moderately heavy items Dec. 15, 1998
5090664 Combination jack and roller for precision movement of heavy loads Feb. 25, 1992
4657463 Automated guided vehicle Apr. 14, 1987
4077535 Assembly for the automatic operation of hand carts, especially hospital carts Mar. 7, 1978



 
 
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