JD

John P. Dugan

SL Spectra-Physics Laserplane: 3 patents #3 of 18Top 20%
AM Amazon: 2 patents #7,121 of 19,158Top 40%
SP Spectra-Physics: 1 patents #113 of 257Top 45%
SP Spectra Precision: 1 patents #13 of 23Top 60%
📍 Wilmington, MA: #56 of 314 inventorsTop 20%
🗺 Massachusetts: #17,885 of 88,656 inventorsTop 25%
Overall (All Time): #736,920 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9517899 System for unloading items William J. Watt, Timothy Bragg, Andrew Stubbs, Matthew David Verminski 2016-12-13
8444369 System and method for unloading items William J. Watt, Timothy Bragg, Andrew Stubbs, Matthew David Verminski 2013-05-21
5994688 Position leveling sensor for a laser transmitter Jonathan A Jackson, Ayman Hajmousa, Robert M. Perchak 1999-11-30
5335244 Technique and apparatus using a moveable weak lens James N. Hayes, Steve Elliott 1994-08-02
5257279 Adjustable focus technique and apparatus using a moveable weak lens James N. Hayes, Steve Elliott 1993-10-26
5225928 Focus compensating lens for use in extreme temperatures 1993-07-06
4971440 Projection of two orthogonal reference light planes Peter S. Winckler, Daniel R. Klemer 1990-11-20