Growing community of inventors

Pittsfield, MA, United States of America

William Hartsig

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 93

William Hartsig ↔ Paul M Hochstrate (1 patent)William Hartsig ↔ Kevin R Langevin (1 patent)William Hartsig ↔ Kevin J Audibert (1 patent)William Hartsig ↔ Gregory Thune (1 patent)William Hartsig ↔ Sachin Mistry (1 patent)William HartsigWilliam Hartsig (1 patent)Paul M HochstratePaul M Hochstrate (31 patents)Kevin R LangevinKevin R Langevin (25 patents)Kevin J AudibertKevin J Audibert (17 patents)Gregory ThuneGregory Thune (3 patents)Sachin MistrySachin Mistry (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Colt Defense, LLC (1 from 20 patents)


1 patent:

1. 8631601 - Automatic or semiautomatic rifle with folding clamshell buttstock

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as of
1/20/2026
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