DC

David Christensen

IT Ino Therapeutics: 5 patents #4 of 33Top 15%
MU Mallinckrodt Hospital Products Ip Unlimited: 5 patents #16 of 72Top 25%
OT Oak Technology: 2 patents #14 of 64Top 25%
NP North American Philips: 1 patents #281 of 645Top 45%
NS Novellus Systems: 1 patents #479 of 780Top 65%
Broadcom: 1 patents #5,847 of 9,346Top 65%
🗺 Wisconsin: #696 of 40,088 inventorsTop 2%
Overall (All Time): #90,175 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
D352693 Extruded rail for a utility rack 1994-11-22
D352694 Extruded rail for a utility rack 1994-11-22
D352695 Extruded rail for a utility rack 1994-11-22
D352696 Extruded rail for a utility rack 1994-11-22
D352692 Extruded rail for a utility rack 1994-11-22
5271127 Quick fasten and release tie down device 1993-12-21
5255832 Universal equipment mounts, enclosed mounts and mounting rails 1993-10-26
5238280 Utility rack with enhanced rails 1993-08-24
5137320 Ladder utility rack and mounting rail 1992-08-11
4559426 Membrane switch and components having means for preventing creep Anthony J. Van Zeeland, Willis A. Larson 1985-12-17
4403272 Membrane switch interconnect tail and printed circuit board connection Willis A. Larson, Anthony J. VanZeeland 1983-09-06
4365130 Vented membrane switch with contaminant scavenger 1982-12-21