Albert B. Constantine — 2 Patents at Unknown

Albert B. Constantine has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in November 1983. Albert B. Constantine ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%).

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4416225	Improvements relating to internal combustion engines	Alan Walker	1983-11-22
4294549	Mixing apparatus	Raymond Thompson, Alan Todd	1981-10-13

Albert B. Constantine — 2 Patents

Issued Patents All Time

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