Growing community of inventors

State College, PA, United States of America

David A Randolph

Average Co-Inventor Count = 4.33

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 = 182

David A RandolphJames M Wagner (18 patents)David A RandolphCloyd R Shawver (18 patents)David A RandolphDavid L Gallaway (13 patents)David A RandolphMartin R Ehrenzeller, Jr (11 patents)David A RandolphJeff Koenig (5 patents)David A RandolphJeffrey M Norton (3 patents)David A RandolphBarry R Albert (2 patents)David A RandolphRobert James Stein (1 patent)David A RandolphDave Gallaway (1 patent)David A RandolphJames M Gross (1 patent)David A RandolphDavid A Randolph (20 patents)James M WagnerJames M Wagner (22 patents)Cloyd R ShawverCloyd R Shawver (18 patents)David L GallawayDavid L Gallaway (13 patents)Martin R Ehrenzeller, JrMartin R Ehrenzeller, Jr (11 patents)Jeff KoenigJeff Koenig (6 patents)Jeffrey M NortonJeffrey M Norton (21 patents)Barry R AlbertBarry R Albert (47 patents)Robert James SteinRobert James Stein (12 patents)Dave GallawayDave Gallaway (1 patent)James M GrossJames M Gross (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ames True Temper, Inc. (17 from 177 patents)

2. The Ames Companies, Inc. (3 from 53 patents)


20 patents:

1. 9566703 - Hand tool with handle apparatus and associated method

2. D760563 - Round point blade

3. D712219 - Round point blade

4. D699529 - Drain spade

5. D699528 - Spade blade

6. D699527 - Square point blade

7. D673823 - Garden spade

8. D648994 - Shovel head

9. D634996 - Shovel blade

10. 7850216 - Garden tool head with coated leading edge

11. D628452 - Shovel head

12. D626390 - Shovel head

13. D626389 - Shovel head

14. D623488 - Drain spade

15. D617615 - Shovel workhead

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idiyas.com
as of
12/29/2025
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