Assignee
HIGHFIELD MFG COMPANY
US·5 granted patents·158 citations·filing 1982–2000
Top patents by PatentIndex Score
5 records- 0186US5440909ALock and key shell assemblyHIGHFIELD MFG COMPANY·Filed 1993·Granted Aug 15, 1995·58 cites·16 claims
- 0283US5161838ALocking assemblyHIGHFIELD MFG COMPANY·Filed 1991·Granted Nov 10, 1992·68 cites·9 claims
- 0358US4474041ALock housing and lock assembly unitHIGHFIELD MFG COMPANY·Filed 1982·Granted Oct 2, 1984·15 cites·9 claims
- 0442US6490892B1Padlock deviceHIGHFIELD MFG COMPANY·Filed 2000·Granted Dec 10, 2002·9 cites·12 claims
- 0535US5320003AWrench for underground valvesHIGHFIELD MFG COMPANY·Filed 1993·Granted Jun 14, 1994·8 cites·8 claims
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