DR

David A. Richards

Eastman Kodak: 12 patents #935 of 8,114Top 15%
IE Itt Manufacturing Enterprises: 4 patents #156 of 1,404Top 15%
BD Black & Decker: 1 patents #1,429 of 2,138Top 70%
GL Glaxo Group Limited: 1 patents #753 of 1,368Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Merrimack, NH: #20 of 452 inventorsTop 5%
🗺 New Hampshire: #315 of 12,181 inventorsTop 3%
Overall (All Time): #111,695 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5283421 Electric appliance with safety switching arrangement 1994-02-01
5159491 Combination collimating lens and correcting prism 1992-10-27
5125068 Apparatus for controlling heating of fluids utilizing adjustable temperature set point John McNair 1992-06-23
5042928 Parallel catadioptric optical element 1991-08-27
5018775 Rope assembly Henry A. McKenna 1991-05-28
4985418 Pharmaceutical compositions 1991-01-15
4764998 Retractable cover Kevin N. Norris, Vaughan Dobbyns, Stephen T. Garrood, Neville L. Cousins 1988-08-23