Inventor
HERTEL KARL R
US4 patents
⚠️ This page may combine multiple inventors who share the name “HERTEL KARL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENVIREX
3 patentsUS5035681AJul 30, 1991
Reduced friction sprocket assembly for use in corrosive environments
ENVIREX25 citations89
US5131890AJul 21, 1992
Reduced friction spool bearing and method of making same
ENVIREX6 citations60
US5080852AJan 14, 1992
Method of making a bearing sleeve for a split sprocket wheel assembly
ENVIREX2 citations60