| 5121787 |
Evaporable foam pattern for casting a thermostat housing for a V-type marine engine |
— |
1992-06-16 |
| 5119882 |
Evaporable foam pattern for casting an engine block for a two-cycle engine having a direct charge system |
— |
1992-06-09 |
| 5119778 |
Tuned intake air system for a rotary engine |
— |
1992-06-09 |
| 5111869 |
Evaporable foam pattern for casting a cylinder block of a two-cycle engine |
Benjamin L. Sheaffer |
1992-05-12 |
| 5088545 |
Evaporable foam pattern for use in casting a metal engine block having a loop charge system |
— |
1992-02-18 |
| 5035276 |
Evaporable foam pattern assembly for casting a housing for a rotary engine |
Benjamin L. Sheaffer |
1991-07-30 |
| 4987945 |
Evaporable foam pattern assembly for casting a centrifugal pump housing |
— |
1991-01-29 |
| 4915603 |
Rotary engine cooling system |
Benjamin L. Sheaffer |
1990-04-10 |
| 4911122 |
Tuned intake air inlet for a rotary engine |
Benjamin L. Sheaffer |
1990-03-27 |
| 4911623 |
Method and apparatus for lubricating a rotary engine |
Benjamin L. Sheaffer |
1990-03-27 |
| 4883110 |
Evaporable foam pattern for use in a casting process and having load transfer walls |
Edward J. Morgan |
1989-11-28 |
| 4802447 |
Foam pattern for engine cylinder block |
— |
1989-02-07 |
| 4777997 |
Evaporable foam pattern for cylinder block of a two-cycle engine |
— |
1988-10-18 |
| 4771744 |
Connecting rod with hydrodynamic bearing |
— |
1988-09-20 |