Westerlund; Robert E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Westerlund; Robert E..The latest application filed is for "high pressure pumping apparatus for semi-fluid material".
- Westerlund; Robert E. - Mequon WI
| Patent | Date |
|---|---|
| High pressure pumping apparatus for semi-fluid material Grant 4,533,300 - Westerlund , et al. August 6, 1 | 1985-08-06 |
| High pressure coupling apparatus Grant 4,311,248 - Westerlund , et al. January 19, 1 | 1982-01-19 |
| Concrete pumping swivel coupling apparatus Grant 4,305,607 - Westerlund , et al. December 15, 1 | 1981-12-15 |
| High pressure coupling apparatus Grant 3,967,837 - Westerlund , et al. July 6, 1 | 1976-07-06 |
| Pipe Coupling With Releasable Connector Grant 3,705,737 - Westerlund , et al. December 12, 1 | 1972-12-12 |
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