Jackson; Joseph Monroe
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jackson; Joseph Monroe.The latest application filed is for "toll restrictor for touch type digit selector".
- Jackson; Joseph Monroe - Menlo Park CA
| Patent | Date |
|---|---|
| Toll restrictor for touch type digit selector Grant 4,012,602 - Jackson March 15, 1 | 1977-03-15 |
| Membrane switch assembly font Grant D242,930 - Jackson , et al. January 4, 1 | 1977-01-04 |
| Toll restrictor for touch type digit selector Grant 4,000,380 - Jackson December 28, 1 | 1976-12-28 |
| Plural line selector apparatus for enabling selection of one of a plurality of telephone lines Grant 3,931,481 - Jackson January 6, 1 | 1976-01-06 |
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