Douglas E. Brewster — 3 Patents at Ipeg

Douglas E. Brewster has been granted 3 US patents while listed as an inventor at Ipeg. The first was granted in 2017 and the most recent in October 2018. Douglas E. Brewster ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas E. Brewster in New Castle, PA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
10093492	Material delivery system	Keith J. Salamony, Jeffrey S. Rickert, Robert G. Criswell, Brian L. Dowler	2018-10-09
9745149	Material delivery system	Keith J. Salamony, Jeffrey S. Rickert, Robert G. Criswell, Brian L. Dowler	2017-08-29
9561915	Pressure differential proofing method for pneumatic conveying	Raymond Kelly, Keith J. Salamony, Robert G. Criswell, Jeffrey Bickel, Jeffrey S. Rickert +1 more	2017-02-07

Douglas E. Brewster — 3 Patents

Issued Patents All Time

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