Robert D. Shoemaker — 3 Patents at Delavan

Robert D. Shoemaker has been granted 3 US patents while listed as an inventor at Delavan. The first was granted in 1997 and the most recent in September 1998. Robert D. Shoemaker ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert D. Shoemaker in West Des Moines, IA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5799872	Purging of fluid spray apparatus	Gregory S. Nesbitt	1998-09-01
5732730	Combined check valve and metering valve assembly	David Tibbs	1998-03-31
5701732	Method and apparatus for purging of gas turbine injectors	Gregory S. Nesbitt	1997-12-30

Robert D. Shoemaker — 3 Patents

Issued Patents All Time

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