Issued Patents All Time
Showing 476–500 of 555 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851804 | Thermo-activating breaker | — | 1989-07-25 |
| 4841921 | Two-cycle, dual piston internal combustion engine with air turbine driven fuel/air mixture supply | — | 1989-06-27 |
| 4838216 | Four cycle, dual piston internal combustion engine and pump | — | 1989-06-13 |
| 4836150 | Combined fluid pump and two-cycle, internal combustion engine | — | 1989-06-06 |
| 4834354 | Clamp structures | — | 1989-05-30 |
| 4829722 | Light accessory for a bench grinder | — | 1989-05-16 |
| 4828241 | Articulated c-type clamping assembly which is adjustable in length | — | 1989-05-09 |
| 4819924 | Heavy duty vise | — | 1989-04-11 |
| 4812728 | Electro magnetic braking circuit for small single phase induction motors | — | 1989-03-14 |
| 4810137 | Double-use electrical drill | — | 1989-03-07 |
| 4807863 | Vise with two sets of clamping jaws | — | 1989-02-28 |
| 4799336 | Dust collecting system for bench grinder | — | 1989-01-24 |
| 4793533 | Intimacy-promoting baby feed bottle | — | 1988-12-27 |
| 4785770 | Coaxial pump and motor cylinder engine | — | 1988-11-22 |
| 4775132 | Detachable motor/air pump unit for a hydraulic jack adaptable for lifting and pumping functions | — | 1988-10-04 |
| 4770394 | Pulley hoists | — | 1988-09-13 |
| 4768777 | Double functional exercise bike for exercise and training | — | 1988-09-06 |
| 4767110 | Servo-clamping device | — | 1988-08-30 |
| 4763887 | Adjustable range vise | — | 1988-08-16 |
| 4762463 | Fan having speed indicator | — | 1988-08-09 |
| 4760999 | Clamping device | — | 1988-08-02 |
| 4753425 | Interconnected c-clamps and tensioning means therefor | — | 1988-06-28 |
| 4747590 | Interconnected C-clamps and tensioning means therefor | — | 1988-05-31 |
| 4745886 | Back and forth motion type of the internal engine with the separate gas chamber and its application equipment | — | 1988-05-24 |
| 4741511 | Jack having alternate hydraulic lifting and air pump functions using a common drive motor | — | 1988-05-03 |