A-Lok Corporation
Patent Applications and Registrations
Patent applications and USPTO patent grants for A-Lok Corporation.The latest application filed is for "molded pleated gasket and device for installing same on pipe".
- A-Lok Corporation - Trenton NJ
| Patent | Date |
|---|---|
| Molded pleated gasket and device for installing same on pipe Grant 4,103,901 - Ditcher August 1, 1 | 1978-08-01 |
| Gasket seal between sewer pipe and manhole opening Grant 4,073,048 - Ditcher February 14, 1 | 1978-02-14 |
| Joint assembly for vertically aligned sectionalized manhole structures incorporating D-shaped gaskets Grant 3,980,311 - Ditcher September 14, 1 | 1976-09-14 |
| Apparatus for forming steps in manholes and the like Grant 3,974,615 - Ditcher August 17, 1 | 1976-08-17 |
| Gasket Seal Between Sewer Pipe And Manhole Opening Grant 3,813,107 - Ditcher May 28, 1 | 1974-05-28 |
| Gasket Seal Between, Sewer Pipe And Manhole Opening Grant 3,796,406 - Ditcher March 12, 1 | 1974-03-12 |
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