Steinbach; Robert L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steinbach; Robert L..The latest application filed is for "padlock with removable shackle".
- Steinbach; Robert L. - Kenosha WI
- Steinbach; Robert L. - Glendale Heights IL
- Steinbach; Robert L. - Chicago IL
| Patent | Date |
|---|---|
| Padlock with removable shackle Grant 6,101,852 - Steinbach August 15, 2 | 2000-08-15 |
| Cylinder lock and key Grant 4,735,069 - Steinbach April 5, 1 | 1988-04-05 |
| Cylinder lock mechanism Grant 4,446,709 - Steinbach May 8, 1 | 1984-05-08 |
| Plate tumbler for a cylinder lock mechanism Grant 4,326,396 - Steinbach April 27, 1 | 1982-04-27 |
| Axial split-pin tumbler-type lock mechanism and key therefor Grant 4,191,036 - Steinbach March 4, 1 | 1980-03-04 |
| Key blank for an axial tumbler-type lock Grant D253,160 - Steinbach October 16, 1 | 1979-10-16 |
| Protective cover for a handle lock Grant 4,132,092 - Steinbach January 2, 1 | 1979-01-02 |
| Alarm switch mechanism for an axial split-pin tumbler-type lock Grant 4,078,405 - Steinbach March 14, 1 | 1978-03-14 |
| Axial split-pin tumbler-type lock and key therefor Grant 4,069,696 - Steinbach January 24, 1 | 1978-01-24 |
| Key blank for an axial tumbler-type lock Grant D244,081 - Steinbach April 19, 1 | 1977-04-19 |
| Double key axial split-pin tumbler-type lock Grant 3,916,657 - Steinbach November 4, 1 | 1975-11-04 |
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