Portfolio comparison
Biosphere Aerospace LLC vs John L. Mason
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 9073647· 2015
A Modular Launch System with an Expandable Mast for Spacecraft
Activity by Decade
2010s1
Top Patents1 enriched
US 22186· 1858
John Mason's 1858 Patent for the Mason Jar Lid
Activity by Decade
1850s1
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