Growing community of inventors

Winter Park, FL, United States of America

Edward J Purvis

Average Co-Inventor Count = 3.01

ph-index = 9

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 = 244

Edward J PurvisAlbert H Marshall (8 patents)Edward J PurvisRonald S Wolff (8 patents)Edward J PurvisRobert T McCormack (8 patents)Edward J PurvisGeorge Spector (1 patent)Edward J PurvisEdmund Swiatosz (1 patent)Edward J PurvisPaul D Grimmer (1 patent)Edward J PurvisRandy R Fields (1 patent)Edward J PurvisHerbert C Towle (1 patent)Edward J PurvisPaul Geoffrey Barber (1 patent)Edward J PurvisEdward J Purvis (11 patents)Albert H MarshallAlbert H Marshall (26 patents)Ronald S WolffRonald S Wolff (10 patents)Robert T McCormackRobert T McCormack (8 patents)George SpectorGeorge Spector (695 patents)Edmund SwiatoszEdmund Swiatosz (25 patents)Paul D GrimmerPaul D Grimmer (12 patents)Randy R FieldsRandy R Fields (7 patents)Herbert C TowleHerbert C Towle (6 patents)Paul Geoffrey BarberPaul Geoffrey Barber (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. USA As Represented by Secretary of the Navy (7 from 16,080 patents)

2. Other (3 from 832,812 patents)


11 patents:

1. D772366 - Bow sight

2. 6604064 - Moving weapons platform simulation system and training method

3. 5215464 - Aggressor shoot-back simulation

4. 5215463 - Disappearing target

5. 5215465 - Infrared spot tracker

6. 5213503 - Team trainer

7. 5193026 - Reflective safety stripes

8. 5035622 - Machine gun and minor caliber weapons trainer

9. 4923401 - Long range light pen

10. 4923402 - Marksmanship expert trainer

11. H000186 - Recoil simulator for weapons

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as of
12/19/2025
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