MH

Mark B. Heyderman

FM Franklin Mint: 1 patents #6 of 16Top 40%
Overall (All Time): #1,614,722 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6357711 Sign holder Richard S. Heyderman 2002-03-19
5088602 Book-like storage container for a videocassette or the like Melvyn M. Sloves 1992-02-18
4199061 Record album and booklet Whitney C. Harkleroad, Louis A. Ringle 1980-04-22