Inventor
WALKER DONALD F
US6 patents
⚠️ This page may combine multiple inventors who share the name “WALKER DONALD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR TRACTOR CO
3 patentsUS3989425ANov 2, 1976
Unitized seal biasing spring assembly for rotary mechanisms
CATERPILLAR TRACTOR CO4 citations60
US3999902ADec 28, 1976
Slant axis rotary mechanism with relieved apex portions
CATERPILLAR TRACTOR CO2 citations59
US3975866AAug 24, 1976
Method and apparatus for machining housings for slant axis rotary mechanisms
CATERPILLAR TRACTOR CO6 citations59