Issued Patents All Time
Showing 101–110 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324976 | Hand-held calculator or similar keyboard device | — | 1982-04-13 |
| 4316524 | Two-speed ladder | — | 1982-02-23 |
| 4290762 | Multiple link transmission chain | — | 1981-09-22 |
| 4276776 | Temperature/pressure transducer | — | 1981-07-07 |
| 4235523 | Controlled reflection readout for displays | — | 1980-11-25 |
| 4213527 | Chain link conveyors | Fernand S. Lapeyre | 1980-07-22 |
| RE30341 | Conveyor drive | — | 1980-07-22 |
| 4203302 | Floor mounted air conditioner | — | 1980-05-20 |
| 4199040 | Ship ladder | — | 1980-04-22 |
| 4184588 | Product transport conveyor system | — | 1980-01-22 |