DL

Donald E. Lyon

HC Halm Instrument Co.: 2 patents #3 of 7Top 45%
Overall (All Time): #2,364,288 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4413614 Solar heating system Floyd A. Lyon, William H. Yale 1983-11-08
4313419 Solar heating system Floyd A. Lyon, William H. Yale 1982-02-02