JE

John E. Ehrreich

ER Ercon: 13 patents #1 of 4Top 25%
📍 Wayland, MA: #70 of 613 inventorsTop 15%
🗺 Massachusetts: #8,122 of 88,656 inventorsTop 10%
Overall (All Time): #326,419 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
7320295 Squirrel house with predator protection 2008-01-22
7069877 Squirrel house 2006-07-04
5843342 Polymer compositions containing chlorided conductive particles 1998-12-01
5305644 Force sensor 1994-04-26
5207950 Polymer composition containing chlorided conductive particles 1993-05-04
5194205 Process for forming a force sensor 1993-03-16
4836955 Conductive compositions 1989-06-06
4786437 One-component, particle-filled compositions 1988-11-22
4716081 Conductive compositions and conductive powders for use therein 1987-12-29
4683082 One-component, particle-filled compositions 1987-07-28
4592961 Particle filled flexible coating composition of aromatic polyester and vinylidene chloride copolymer 1986-06-03
4435214 Conductive compositions 1984-03-06
4407674 Novel electroconductive compositions and powder for use therein 1983-10-04
4319920 Novel electroconductive compositions and powder for use therein 1982-03-16
D259777 Self-watering plant tray 1981-07-07