KP

Kenneth J. Perrington

3M: 12 patents #1,318 of 11,543Top 15%
Overall (All Time): #429,109 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5556826 Laser perforation of paper Robert D. Kampfer 1996-09-17
5557311 Multi-page signatures made using laser perforated bond papers Thomas H. Hunter, Keith Wilson 1996-09-17
5536044 Hot melt adhesive bound book Robert A. Luhman, Gary K. Kuhn, Karl M. Kropp, Michael W. Gruber 1996-07-16
5444035 Laser perforation of paper Robert D. Kampfer 1995-08-22
5346350 Hot melt adhesive applicator Robert A. Luhman, Gary K. Kuhn, Karl M. Kropp, Michael W. Gruber 1994-09-13
5316424 Hot melt adhesive binding method Robert A. Luhman, Gary K. Kuhn, Karl M. Kropp, Michael W. Gruber 1994-05-31
5270068 Edge-bonded sets of carbonless copy paper James M. DeWanz 1993-12-14
5179141 Producing adhesively edge-padded paper tablets with a fast-drying latex adhesive Clair J. Emery 1993-01-12
5176779 Fan-out padding using a hot melt adhesive James M. DeWanz 1993-01-05
5152654 Hot melt adhesive applicator Robert A. Luhman, Gary K. Kuhn, Karl M. Kropp, Michael W. Gruber 1992-10-06
5151461 Edge padding adhesive composition for carbonless papers Clair J. Emery 1992-09-29
5079068 Adhesively edge-padding a stack of collated carbonless paper Clair J. Emery 1992-01-07