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

Jack D. Mackey — 7 Patents

NONorthrop: 3 patents #30 of 277Top 15%
MAMattel: 3 patents #301 of 1,185Top 30%
Northrop Grumman: 1 patents #1,512 of 2,250Top 70%
Hawthorne, CA: #41 of 315 inventorsTop 15%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Jack D. Mackey has been granted 7 US patents while listed as an inventor at Mattel. The first was granted in 1993 and the most recent in May 2001. Jack D. Mackey ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Jack D. Mackey in Hawthorne, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6235273 Washable non-toxic body paint for applying color to human skin 2001-05-22 $42,850,000
5886083 Artificial snow and method of making the same 1999-03-23 $91,078,000
5873933 Malleable play material compound resembling loose soil 1999-02-23 $46,641,000
5430085 Thermally and electrically conductive caulk Joaquin Ricardo Acevedo 1995-07-04
5352764 Stepwise linear magnetic polymers and methods for preparation thereof 1994-10-04 $13,741,000
5340915 Crosslinked magnetic polymers and methods for preparation thereof 1994-08-23 $2,093,000
5252730 Polymer composition having intense magnetic properties and method for preparation thereof 1993-10-12 $3,513,000