Campbell; John A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Campbell; John A..The latest application filed is for "furniture leg shoe".
- Campbell; John A. - Winter Park FL
- Campbell; John A. - Lakeville MN
- Campbell; John A. - Minneapolis MN
- Campbell; John A. - Auburn Heights MI
Trademarks
| Patent | Date |
|---|---|
| Furniture leg shoe Grant D340,638 - Campbell October 26, 1 | 1993-10-26 |
| Muffler assembly and method of manufacture Grant 4,969,537 - Wagner , et al. November 13, 1 | 1990-11-13 |
| Exhaust system and muffler lap joint Grant 4,113,289 - Wagner , et al. September 12, 1 | 1978-09-12 |
| Process for reclaiming cemented metal carbide Grant 3,953,194 - Hartline, III , et al. April 27, 1 | 1976-04-27 |
| Muffler For Internal Combustion Engine Grant 3,672,464 - Rowley , et al. June 27, 1 | 1972-06-27 |
| SEC | 0001352217 | Campbell John A |
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