Assignee
HOLLAND
3 granted patents·61 citations·filing 1977–1979
Top patents by PatentIndex Score
3 records- 0172US4249664ARigidifying arrangement for self lubricating yoke wear plate assembliesHOLLAND·Filed 1979·Granted Feb 10, 1981·22 cites·6 claims
- 0270US4155507ATie plate arrangement for railroad trackHOLLAND·Filed 1977·Granted May 22, 1979·26 cites·14 claims
- 0342US4241667AGrounded railway center plate linerHOLLAND·Filed 1979·Granted Dec 30, 1980·13 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →