Growing community of inventors

Monson, MA, United States of America

Stephen W Butcher

Average Co-Inventor Count = 1.60

ph-index = 2

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 = 11

Stephen W ButcherDonald A Rosenwinkel (1 patent)Stephen W ButcherTodd J Kurtzer (1 patent)Stephen W ButcherJeffrey D Breslow (1 patent)Stephen W ButcherLee M Lenkarski (1 patent)Stephen W ButcherDaniel C Sanfilippo (1 patent)Stephen W ButcherDustin DePenning (1 patent)Stephen W ButcherStephen W Butcher (4 patents)Donald A RosenwinkelDonald A Rosenwinkel (34 patents)Todd J KurtzerTodd J Kurtzer (6 patents)Jeffrey D BreslowJeffrey D Breslow (6 patents)Lee M LenkarskiLee M Lenkarski (6 patents)Daniel C SanfilippoDaniel C Sanfilippo (3 patents)Dustin DePenningDustin DePenning (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hasbro, Inc. (4 from 496 patents)


4 patents:

1. 8720897 - Timer controlled building and demolition game apparatus

2. 8070162 - Game having an electronic instruction unit

3. D551302 - Electronic game apparatus

4. D490117 - Game device

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as of
12/14/2025
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