| 9777716 |
Dual displacement fluid level control pump |
Richard E. Nelson, Robert K Dyas |
2017-10-03 |
| 7975572 |
Methods and apparatus for make up and break out of tubular connections |
— |
2011-07-12 |
| 6567675 |
Programmable automatic prefix dialer for wireless |
Howard Rosen |
2003-05-20 |
| 5890809 |
Carrying bag with deployable bottle pouch |
— |
1999-04-06 |
| 5806472 |
Method and means for removal of used oil and blending with fuel for disposal in an engine |
Robert E. Nelson |
1998-09-15 |
| 5163212 |
Safety tool for handling of unitized jaw assembly in power sucker rod tongs |
— |
1992-11-17 |
| 5009927 |
Method for coating fabric surface with electrically conductive film |
Willard C. Cloyd |
1991-04-23 |
| 4834133 |
Control valve |
Bernard L. LaCoste, Suryakant K. Dawawala |
1989-05-30 |
| 4784048 |
Filter system incorporated with cab for orchard sprayer |
— |
1988-11-15 |
| 4747300 |
Sensing pump with improved discrimination between liquids and gases |
Robert E. Nelson |
1988-05-31 |
| 4496287 |
Sensors for detection of fluid condition, and control systems utilizing their signals |
Robert E. Nelson |
1985-01-29 |
| 4376449 |
Two reservoir system in which fluid is drawn from one to maintain a level in the other |
Robert E. Nelson |
1983-03-15 |