Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JL

J. Brett Lefebvre — 4 Patents

INIntergraph: 3 patents #35 of 192Top 20%
OIOptronics International: 1 patents #5 of 18Top 30%
Lowell, MA: #167 of 739 inventorsTop 25%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
J. Brett Lefebvre has been granted 4 US patents while listed as an inventor at Intergraph. The first was granted in 1991 and the most recent in April 2000. J. Brett Lefebvre ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list J. Brett Lefebvre in Lowell, MA, US.

Patents per Year

Patents granted per year, 1991 to 2000Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911993: 1 patents19931996: 1 patents19962000: 1 patents2000

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6049395 Method and system for achieving enhanced gray levels in a screen cell array James B. Peregoy, Edward T. Chrusciel 2000-04-11
5555094 Apparatus and method for interpreting image data for use in a raster plotter Glenn E. Cabana 1996-09-10 $5,517,000
5274473 Rapid variable angle digital screening Robert Kidd 1993-12-28 $2,448,000
5075779 Apparatus and method for interpreting image data for use in a raster plotter Glenn E. Cabana 1991-12-24 $9,450,000