Howard M. Marks
83Patents
29h-index
5Co-inventors
81Inventor score
Filing activity: Feb 1, 1996 → Feb 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5755621A | Modified poker card/tournament game and interactive network computer system for implementing same | Physics | 487 | Expired |
| US6604740B1 | Slot machine game having a plurality of ways to designate one or more wild symbols (select-a-wild) | Physics | 457 | Expired |
| US6093100A | Modified poker card/tournament game and interactive network computer system for implementing same | Physics | 366 | Expired |
| US5882260A | Modified poker card game and computer system for implementing same | Physics | 310 | Expired |
| US6910962B2 | Electronic game and method for playing a game based upon removal and replacing symbols in the game matrix | Human Necessities | 299 | Expired |
| US6960133B1 | Slot machine game having a plurality of ways for a user to obtain payouts based on selection of one or more symbols (power pays) | Physics | 284 | Expired |
| US5772506A | Video poker gold card game and computer system for inplementing same | Physics | 264 | Expired |
| US6869360B2 | Gaming apparatus and method including a multiplier feature and bonus features | Physics | 244 | Expired |
| US5836586A | Method of playing a modified twenty-one card game | Human Necessities | 220 | Expired |
| US6857957B2 | Poker game with 2 reward cards that adjust paytable | Physics | 165 | Expired |
| US7357713B2 | Electronic game and method for playing a game based upon removal and replacing symbols in the game metrix | Human Necessities | 115 | Expired |
| US7494413B2 | Slot machine game having a plurality of ways for a user to obtain payouts for one or more additional pay lines formed by the appearance of special symbols in a symbol matrix | Physics | 106 | Expired |
| US7357716B2 | Slot machine game having a plurality of ways to issue a percentage of a progressive award based upon any wager level (“percentage progressive”) | Physics | 104 | Expired |
| US6113102A | Modified black jack card game (side bet 21.TM.) | Human Necessities | 97 | Expired |
| US7402102B2 | Gaming device having multiple symbols at a single symbol position | Physics | 89 | Expired |
| US7192347B1 | Game machine having a plurality of ways for a user to obtain payouts based on the appearance of any and all symbols within an active symbol matrix (“what you see is what you get”) | Physics | 82 | Expired |
| US8083581B2 | Electronic game and method for playing a game based upon removal and replacing symbols in the game matrix | Human Necessities | 81 | Active |
| US5897436A | Modified poker card game | Human Necessities | 73 | Expired |
| US7252589B1 | Method of playing a slot machine (“re-spin & re-pay”) | Physics | 71 | Expired |
| US9251667B2 | Game machine having a plurality of ways for a user to obtain payouts based on the appearance of any and all symbols within an active symbol matrix (WYSIWYG) | Physics | 71 | Active |
| US7704141B1 | Slot machine game having a plurality of ways for a user to obtain payouts based on the selection of one or more symbol positions in the symbol matrix (“Lucky Spot”) | Physics | 68 | Expired |
| US7758414B1 | Method of playing a slot machine game (“Directional Wilds”) | Physics | 65 | Expired |
| US6371851B1 | Extended hand modified video poker game system and method of playing the same | Physics | 63 | Expired |
| US8221206B2 | Gaming device having a partial selectable symbol matrix | Physics | 59 | Active |
| US6935947B1 | Slot machine game having a plurality of ways for a user to obtain payouts based upon matching two or more symbols drawn from the symbol matrix during one or more spins (“Pair' em Up”) | Physics | 55 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.