Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454025 | Seal with spiral grooves and mid-lip band | Sean Donovan, John A. London | 2013-06-04 |
| 8376369 | Seal with spiral grooves and contamination entrapment dams | John A. London, Alexander Berdichevsky | 2013-02-19 |
| 4386282 | Emitter function logic (EFL) shift register | — | 1983-05-31 |
| 4378505 | Emitter function logic latch and counter circuits | — | 1983-03-29 |
| 4378508 | EFL Logic arrays | — | 1983-03-29 |
| 4349753 | Emitter function logic flip-flop circuit | — | 1982-09-14 |