Growing community of inventors

Sturtevant, WI, United States of America

Merlin H Gandrud

Average Co-Inventor Count = 2.40

ph-index = 4

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 = 64

Merlin H GandrudNeill C Woelffer (2 patents)Merlin H GandrudDonald G Haffner (2 patents)Merlin H GandrudLee L Karsten (1 patent)Merlin H GandrudNeill C Woelfer (1 patent)Merlin H GandrudMerlin H Gandrud (4 patents)Neill C WoelfferNeill C Woelffer (6 patents)Donald G HaffnerDonald G Haffner (4 patents)Lee L KarstenLee L Karsten (2 patents)Neill C WoelferNeill C Woelfer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jacobsen Manufacturing Company (4 from 13 patents)


4 patents:

1. 4152884 - Lawn mower with catcher accommodation

2. 4149362 - Combined lawn mower and grass catcher

3. 4149363 - Lawn mower catcher

4. 3980068 - Gasoline powered machine having two electric circuit switches

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idiyas.com
as of
12/15/2025
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