RD

Richard C. Dvorak

PM Paper Converting Machine: 2 patents #43 of 134Top 35%
DL Dana Limited: 1 patents #464 of 1,099Top 45%
Overall (All Time): #1,640,553 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5800652 Method and apparatus for tail sealing of convolutely wound webs Richard J. Vigneau, Gerald W. Buxton 1998-09-01
5573615 Method and apparatus for tail sealing of convolutely wound webs Richard J. Vigneau, Gerald W. Buxton 1996-11-12
4718529 Friction face for a magnetic coupling Edward R. Kroeger 1988-01-12