Whitaker, Jr.; John B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Whitaker, Jr.; John B..The latest application filed is for "self metering ballast system".
- Whitaker, Jr.; John B. - Wetumpka AL
| Patent | Date |
|---|---|
| Self metering ballast system Grant 5,201,127 - Whitaker, Jr. April 13, 1 | 1993-04-13 |
| Method and apparatus for cleaning ballast Grant 4,967,847 - Whitaker, Jr. November 6, 1 | 1990-11-06 |
| Method and apparatus for reconditioning ballast along a railroad track Grant 4,705,115 - Whitaker, Jr. November 10, 1 | 1987-11-10 |
| Ballast removing apparatus Grant 4,674,208 - Whitaker, Jr. June 23, 1 | 1987-06-23 |
| Apparatus for removing ballast from beneath a railroad track Grant 4,563,826 - Whitaker, Jr. January 14, 1 | 1986-01-14 |
| Combined gas cap and funnel Grant D269,425 - Whitaker, Jr. June 21, 1 | 1983-06-21 |
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