JJ

John M. Elwell, Jr.

DL Draper Laboratory: 10 patents #55 of 921Top 6%
📍 Sudbury, MA: #169 of 857 inventorsTop 20%
🗺 Massachusetts: #12,758 of 88,656 inventorsTop 15%
Overall (All Time): #517,113 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8563910 Systems and methods for targeting a projectile payload 2013-10-22
8466835 Systems and methods for clock correction Robert D. Tingley 2013-06-18
8279119 Systems and methods for transparency mapping using multipath signals Donald E. Gustafson, J. Arnold Soltz 2012-10-02
7973716 Systems and methods for transparency mapping using multipath signals Donald E. Gustafson 2011-07-05
7679561 Systems and methods for positioning using multipath signals Donald E. Gustafson, John R. Dowdle 2010-03-16
6731237 Deeply-integrated adaptive GPS-based navigator with extended-range code tracking Donald E. Gustafson, John R. Dowdle 2004-05-04
6693592 Geographical navigation using multipath wireless navigation signals John R. Dowdle, Donald E. Gustafson 2004-02-17
6630904 Deeply-integrated adaptive INS/GPS navigator with extended-range code tracking Donald E. Gustafson, John R. Dowdle 2003-10-07
6331835 Deeply-integrated adaptive GPS-based navigator with extended-range code tracking Donald E. Gustafson, John R. Dowdle 2001-12-18
4270044 Optical reference gyro 1981-05-26