MacDonald Pine — 2 Patents | Patent Leaderboard

MacDonald Pine has been granted 2 US patents. The first was granted in 1984 and the most recent in October 2000. MacDonald Pine ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list MacDonald Pine in Springfield, IL, US.

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Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6131216	Method and apparatus for removing heavy gases from infant cribs	—	2000-10-17
4473441	Apparatus for heat induced separation of hydrocarbon constituents from coal	James R. Johnson, Rudolph A. Sandoval, Ronald E. Moss	1984-09-25

MacDonald Pine — 2 Patents

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