Assignee
WHITEHEAD & KALES CO
US·6 granted patents·192 citations·filing 1975–1981
Top patents by PatentIndex Score
6 records- 0196US3995563AEnd door for rail carsWHITEHEAD & KALES CO·Filed 1975·Granted Dec 7, 1976·80 cites·10 claims
- 0275US4077330ASliding panel for an end door of a rail carWHITEHEAD & KALES CO·Filed 1976·Granted Mar 7, 1978·33 cites·8 claims
- 0374US4452027APanel clipWHITEHEAD & KALES CO·Filed 1981·Granted Jun 5, 1984·40 cites·2 claims
- 0453US4049229AHookWHITEHEAD & KALES CO·Filed 1976·Granted Sep 20, 1977·16 cites·2 claims
- 0550US4265183AUpper closure for an end door of a rail carWHITEHEAD & KALES CO·Filed 1979·Granted May 5, 1981·13 cites·8 claims
- 0636US4020630AChain adjustment linkWHITEHEAD & KALES CO·Filed 1975·Granted May 3, 1977·10 cites·14 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →