Arnold; William O.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Arnold; William O..The latest application filed is for "clamp for securing bar hanger to electrical wiring box".
- Arnold; William O. - Parkersburg WV
| Patent | Date |
|---|---|
| Clamp for securing bar hanger to electrical wiring box Grant 4,062,512 - Arnold December 13, 1 | 1977-12-13 |
| Electrical wiring box Grant 4,012,580 - Arnold March 15, 1 | 1977-03-15 |
| Brackets for mounting electrical wiring boxes to supporting structures Grant 3,977,640 - Arnold , et al. August 31, 1 | 1976-08-31 |
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