CL

Christiaan A. Ligtenberg

Apple: 52 patents #520 of 18,612Top 3%
LT Levelite Technology: 4 patents #2 of 5Top 40%
QS Q.R. Spex: 2 patents #6 of 9Top 70%
I4 Iii Holdings 4: 1 patents #16 of 23Top 70%
🗺 California: #5,306 of 386,348 inventorsTop 2%
Overall (All Time): #35,097 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 51–63 of 63 patents

Patent #TitleCo-InventorsDate
8897002 Internal components of a portable computing device Brett W. Degner, Ron A. Hopkinson, Patrick Kessler, Bradley J. Hamel, Dinesh C. Mathew +13 more 2014-11-25
8888940 Methods for forming composite housing frames John C. DiFonzo, Kevin M. Kenney, Adam T. Garelli 2014-11-18
8846177 Internal component adhesive securing systems for portable computing devices Matthew P. Casebolt, Kathleen A. Bergeron, William F. Leggett, David M. Rockford 2014-09-30
8831261 Speaker features of a portable computing device Matthew P. Casebolt, Ron A. Hopkinson, Charles A. Schwalbach, Derek Yap 2014-09-09
8616748 Portable computing device Brett W. Degner, Ron A. Hopkinson, Bartley K. Andre, Jeremy Bataillou, Jay S. Nigen +5 more 2013-12-31
7331666 Eyewear with a mounted radio frequency transceiver Gregory Swab, James E. Malackowski, Mikal Greaves, Rolf Milesi, Thomas Meier 2008-02-19
7092254 Cooling system for electronic devices utilizing fluid flow and agitation Eric Monsef, Zach Zeliff, Ihab A. Ali 2006-08-15
6769767 Eyewear with exchangeable temples housing a transceiver forming ad hoc networks with other devices Gregory Swab, James E. Malackowski, Mikal Greaves, Rolf Milesi, Thomas Meier 2004-08-03
6005716 Co-linear and intersecting five light beam generator Joseph F. Rando, Timothy J. Litvin 1999-12-21
5619802 Automatic level and plumb tool Joseph F. Rando 1997-04-15
5541727 Automatic level and plumb tool Joseph F. Rando 1996-07-30
5524352 Automatic level and plumb tool Joseph F. Rando 1996-06-11
5459932 Automatic level and plumb tool Joseph F. Rando 1995-10-24