MC

Michael T. Callas

CE Callas Enterprises: 5 patents #1 of 2Top 50%
LS Lambda Systems: 3 patents #1 of 3Top 35%
📍 Minnetonka, MN: #102 of 1,057 inventorsTop 10%
🗺 Minnesota: #5,333 of 52,454 inventorsTop 15%
Overall (All Time): #350,613 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9312598 Combined floor mat and antennas for an electronic article surveillance system 2016-04-12
D749063 Combined mat and eas antenna 2016-02-09
D749062 Combined floor mat and EAS antenna 2016-02-09
D715274 Combined mat and EAS antenna 2014-10-14
8859073 Graphic floor mat and method of making mat 2014-10-14
D624059 EAS antenna 2010-09-21
D589500 EAS antenna 2009-03-31
6258202 Method of making mat 2001-07-10
D439462 Floor mat border 2001-03-27
6093469 Mat and method of making mat 2000-07-25
D399397 Gripper for installing and removing a sign holder 1998-10-13
4772869 Communication apparatus Nick G. Grammas 1988-09-20
D277738 Combined road marker and lock-in sign Nick G. Grammas 1985-02-26
D277739 Combined road marker and flashing light Nick G. Grammas 1985-02-26