RP

Robert J. Poortvliet

AL Allsteel: 3 patents #6 of 31Top 20%
WI White Consolidated Industries: 2 patents #100 of 415Top 25%
📍 Jenison, MI: #28 of 168 inventorsTop 20%
🗺 Michigan: #15,670 of 86,293 inventorsTop 20%
Overall (All Time): #889,288 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5494347 Hand operated actuator for rotary storage cabinet Michael Murphree, Thomas A. Bursh 1996-02-27
D365225 File cabinet Michael Murphree, Thomas A. Bursh 1995-12-19
5201108 Method of assembling office furniture wire rod stacking chair Craig A. Clark 1993-04-13
5110186 Back assembly for wire rod office furniture stacking chair Craig A. Clark 1992-05-05
5064247 Wire rod office furniture stacking chair Craig A. Clark 1991-11-12
4709517 Floor-to-ceiling wall system Terry Mitchell 1987-12-01