Robert E. Westerlund — 7 Patents at Construction Forms

Robert E. Westerlund has been granted 7 US patents while listed as an inventor at Construction Forms. The first was granted in 1980 and the most recent in September 1998. Robert E. Westerlund ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert E. Westerlund in Mequon, WI, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
5799453	Structure and method of fabrication	—	1998-09-01
4533300	High pressure pumping apparatus for semi-fluid material	Wayne L. Read	1985-08-06
4432558	Concrete pumping swivel coupling apparatus with seal	Wayne L. Read	1984-02-21
4345883	High pressure pumping apparatus for semi-fluid material	Wayne L. Read	1982-08-24
4311248	High pressure coupling apparatus	Herbert A. Westerlund	1982-01-19
4305607	Concrete pumping swivel coupling apparatus	Wayne L. Read	1981-12-15
4198193	Automatic wear compensation apparatus for concrete pumping hopper apparatus	James F. Walters	1980-04-15

Robert E. Westerlund — 7 Patents

Issued Patents All Time

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