Invention Grant
- Patent Title: Piezoelectric crystal
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Application No.: US48236143Application Date: 1943-04-09
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Publication No.: US2386916APublication Date: 1945-10-16
- Inventor: SWICKARD ANDREW E
- Applicant: WESTERN ELECTRIC CO
- Assignee: Lucent Technologies Inc
- Current Assignee: Lucent Technologies Inc
- Priority: US48236143 1943-04-09
- Main IPC: H03H9/05
- IPC: H03H9/05 ; H03H9/19
Information query
