SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Edward L. Hall') ORDER BY date ASC, patent, type |
Total of 1 patents found where: Assigned To is 'Edward L. Hall';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1927 | ||||||
U | 1,620,392 | March 8, 1927 | Insulator Radio strain with special pointed metal clips to minimize leakage |
RIDER, Hebert E. |
Radio | Edward L. Hall |
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