DP

Donald A. Parker

AL Alcon Laboratories: 4 patents #65 of 314Top 25%
RP R.A. Pearson: 2 patents #5 of 25Top 20%
GP Gold Medal Products: 1 patents #13 of 20Top 65%
📍 Berkeley, CA: #642 of 3,731 inventorsTop 20%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #653,440 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8109062 Packaging case closing and tape sealing machine and processes Allen Jerome Chase, Richard R. Lile 2012-02-07
7886503 Packaging case closing and tape sealing machine and processes Al Chase, Richard R. Lile 2011-02-15
5145687 Cotton candy machine 1992-09-08
5020535 Handpiece drive apparatus for powered surgical scissors Wayne W. Rogers 1991-06-04
4850377 Method of providing pneumatic drive for closing a scissors Wayne W. Rogers 1989-07-25
4770486 Optical system for powered surgical instrument system Carl Wang 1988-09-13
4768506 Handpiece drive apparatus for powered surgical scissors Wayne W. Rogers 1988-09-06
4757814 Proportional control for pneumatic cutting device Carl Wang, Wayne W. Rogers 1988-07-19