Growing community of inventors

New Port Richey, FL, United States of America

Darrell G Rademacher

Average Co-Inventor Count = 1.31

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 = 870

Darrell G RademacherRoger T Simpson (1 patent)Darrell G RademacherJustin Marceau (1 patent)Darrell G RademacherThomas Neville (1 patent)Darrell G RademacherDouglas A Hoyt (1 patent)Darrell G RademacherDarrell G Rademacher (7 patents)Roger T SimpsonRoger T Simpson (77 patents)Justin MarceauJustin Marceau (1 patent)Thomas NevilleThomas Neville (1 patent)Douglas A HoytDouglas A Hoyt (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Xcp, Incorporated (5 from 6 patents)

2. Other (2 from 832,761 patents)


7 patents:

1. 5868237 - Escrow vending dispenser

2. 5868236 - Pin vending dispenser

3. 5813510 - Currency and coin-activated drop safe

4. 5491326 - Card metering system

5. 5450938 - Card or cash actuated vending machine assembly

6. 4905813 - Escrow credit controllers and method of operation thereof

7. 4519088 - Usage control system

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as of
12/16/2025
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