David E. Kifer — 3 Patents at Oatey

David E. Kifer has been granted 3 US patents while listed as an inventor at Oatey. The first was granted in 1983 and the most recent in February 1990. David E. Kifer ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David E. Kifer in Parma, OH, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4903997	Roof flashing	—	1990-02-27
4526407	Roof flashing	—	1985-07-02
4410004	Laundry outlet box	Robert H. McGuire	1983-10-18

David E. Kifer — 3 Patents

Issued Patents All Time

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