John C. Frederick — 4 Patents at Unknown

John C. Frederick has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1985 and the most recent in May 2020. John C. Frederick ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John C. Frederick in Leeuwerikstraat, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
D884550	Vessel	—	2020-05-19
D484333	Honeycomb shelving system	—	2003-12-30
D450518	Compact disc rack	—	2001-11-20
4533306	Apparatus for maintaining level of liquid-gas interface in a vulcanizing tube	—	1985-08-06

John C. Frederick — 4 Patents

Issued Patents All Time

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