WP

Warren R. Pitts

DM Dennison Manufacturing: 23 patents #1 of 152Top 1%
📍 Needham, MA: #50 of 796 inventorsTop 7%
🗺 Massachusetts: #4,370 of 88,656 inventorsTop 5%
Overall (All Time): #176,203 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
5037702 Erasably, markable articles and methods of making such articles Peter J. West 1991-08-06
5033899 Index media for loose-leaf notebooks and wirebound notebooks Richard Naughton 1991-07-23
5024898 Erasably markable articles and methods of making such articles Hayden F. Estrada, Peter J. West 1991-06-18
4979626 Convertible hanging file folder (1) 1990-12-25
4961666 Binding tabs Barbara Burns, Ralph J. Shuman 1990-10-09
4896001 Anti-electric protection Richard G. Miekka, Daniel J. White 1990-01-23
4848948 Side binder notebook 1989-07-18
4840406 Method of mounting index tabs upon stenographic notebooks 1989-06-20
4830268 Adjustable file folder 1989-05-16
4781485 Continuous ring loose leaf notebook 1988-11-01
4770557 Edge marking of sheets 1988-09-13
4749427 Method of binding and reinforcing loose leaf sheets Dennis R. Benoit 1988-06-07
4745517 Multi-vector discharge of static electricity 1988-05-17
4739541 Clipboard mounted retainer for writing instruments and the like 1988-04-26
4650360 Antistatic marking Lewis H. Johnson, Steven M. Levin 1987-03-17
4629349 Flexible transparent notebook and the like 1986-12-16
4511616 Anticounterfeit magnetic metallized labels Herbert W. Salit 1985-04-16
4491894 Antistatic floormats 1985-01-01
4484401 Inserts for transparent identification tabs 1984-11-27
4463365 Electrosensitive printing technique 1984-07-31
4415946 Antistatic chairmat 1983-11-15
4407856 Anaerobic process for curing radiation curable compositions 1983-10-04
4405301 Bottle turner Robert M. Jodrey 1983-09-20
4400107 Suspension files and binders 1983-08-23