Growing community of inventors

Corvallis, OR, United States of America

Lawrence R Pitman

Average Co-Inventor Count = 3.68

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 784

Lawrence R PitmanRichard Jay Schneider (8 patents)Lawrence R PitmanMichael B Shelby (7 patents)Lawrence R PitmanRobert P Bartholomew (4 patents)Lawrence R PitmanErik B Petersen (3 patents)Lawrence R PitmanVincent Salvatore Manfredi (2 patents)Lawrence R PitmanWilliam J Turner (2 patents)Lawrence R PitmanCarrie D Porterfield (2 patents)Lawrence R PitmanBinh T Nguyen (1 patent)Lawrence R PitmanCara L Iddings (1 patent)Lawrence R PitmanJoseph W Canon (1 patent)Lawrence R PitmanJoseph G Hart (1 patent)Lawrence R PitmanLawrence R Pitman (10 patents)Richard Jay SchneiderRichard Jay Schneider (73 patents)Michael B ShelbyMichael B Shelby (9 patents)Robert P BartholomewRobert P Bartholomew (9 patents)Erik B PetersenErik B Petersen (87 patents)Vincent Salvatore ManfrediVincent Salvatore Manfredi (19 patents)William J TurnerWilliam J Turner (2 patents)Carrie D PorterfieldCarrie D Porterfield (2 patents)Binh T NguyenBinh T Nguyen (11 patents)Cara L IddingsCara L Iddings (41 patents)Joseph W CanonJoseph W Canon (1 patent)Joseph G HartJoseph G Hart (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Igt (6 from 4,354 patents)

2. Acres Gaming, Inc. (3 from 45 patents)

3. Igt, a Nevada Corporation (1 from 3 patents)


10 patents:

1. 8425311 - Method of awarding a bonus prize in the play of a plurality of gaming machines

2. 8246451 - Celebration pay

3. 8052517 - Method for implementing play at gaming machine networks using player rating

4. 7976390 - Awarding a bonus based on a maximum bonus cycle time

5. 7824264 - Random bonus prize shown on the system display

6. 7819746 - System for awarding a bonus to a gaming device on a wide area network

7. 7794322 - System for awarding a bonus to a gaming device on a wide area network

8. 7037195 - Method and apparatus for awarding a bonus on a network of electronic gaming devices during a pre-determined time period

9. 6878063 - Method for implementing scheduled return play at gaming machine networks

10. 6358149 - Dynamic threshold for pool-based bonus promotions in electronic gaming systems

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as of
12/6/2025
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