Growing community of inventors

Spring Lake, MI, United States of America

David L Apple

Average Co-Inventor Count = 8.00

ph-index = 1

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 = 7

David L Apple ↔ Troy A Recknagel (1 patent)David L Apple ↔ David L Mowers (1 patent)David L Apple ↔ Gary A Brouwers (1 patent)David L Apple ↔ Robert J Prinz (1 patent)David L Apple ↔ Roland C Bouchard (1 patent)David L Apple ↔ Michael A Cutlip (1 patent)David L Apple ↔ Timothy J Ryan (1 patent)David L AppleDavid L Apple (1 patent)Troy A RecknagelTroy A Recknagel (25 patents)David L MowersDavid L Mowers (9 patents)Gary A BrouwersGary A Brouwers (5 patents)Robert J PrinzRobert J Prinz (4 patents)Roland C BouchardRoland C Bouchard (3 patents)Michael A CutlipMichael A Cutlip (1 patent)Timothy J RyanTimothy J Ryan (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Brunswick Bowling & Billiards Corporation (1 from 129 patents)


1 patent:

1. 6764410 - Consoles for playing and/or scoring games, internet access, and communication

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as of
1/8/2026
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