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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 188/61
Name: Brakes > Vehicle > Railway > One-way
Description: Brakes designed to prevent retrograde motion.










Patents under this class:

Patent Number Title Of Patent Date Issued
6164602 Railroad frog assembly with multi-position holdback Dec. 26, 2000
4326466 Anti-back up device for conveyor trolley Apr. 27, 1982
4296842 Pawl and ratchet mechanism Oct. 27, 1981











 
 
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