DC

Douglas Cramer

AC Atlantic City Coin & Slot Service Company: 5 patents #4 of 15Top 30%
AI Air-O-Lator: 2 patents #3 of 4Top 75%
📍 Somers Point, NJ: #1 of 17 inventorsTop 6%
🗺 New Jersey: #12,389 of 69,400 inventorsTop 20%
Overall (All Time): #753,417 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7470895 Submersible power supply with integral photocell Roy L. Watkins 2008-12-30
5997400 Combined slot machine and racing game Mac Seelig, Jerald C. Seelig, Michael Hiltebrand 1999-12-07
5976015 Combined slot machine and racing game Mac Seelig, Jerald C. Seelig, Michael Hiltebrand 1999-11-02
5779544 Combined slot machine and racing game Mac Seelig, Jerald C. Seelig, Michael Hiltebrand 1998-07-14
5718379 Low profile fountain 1998-02-17
5664998 Combined slot machine and racing game Mac Seelig, Jerald C. Seelig, Michael Hiltebrand 1997-09-09
5560603 Combined slot machine and racing game Mac Seelig, Jerald C. Seelig, Michael Hiltebrand 1996-10-01