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Patent applications and USPTO patent grants for Schultz; Francis R..The latest application filed is for "hatch cover for a covered railroad car having removable closure and screen member".
Patent | Date |
---|---|
Hatch Cover For A Covered Railroad Car Having Removable Closure and Screen Member App 20090158959 - Schultz; Francis R. ;   et al. | 2009-06-25 |
Exterior surface of a double vented hatch cover Grant D340,207 - Schultz October 12, 1 | 1993-10-12 |
Vented hatch cover Grant 5,064,089 - Schultz * November 12, 1 | 1991-11-12 |
Sliding hopper outlet gate with plastic upper surface for smooth sliding and for sealing the outlet Grant 5,060,579 - Johnson , et al. October 29, 1 | 1991-10-29 |
Hopper car inlet opening protector Grant 5,011,038 - Schultz April 30, 1 | 1991-04-30 |
Vented hatch cover Grant 4,819,830 - Schultz April 11, 1 | 1989-04-11 |
Bag holder and scoop Grant 4,146,259 - Schultz March 27, 1 | 1979-03-27 |
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