Smith & Wesson Sigma
The Sigma file pistols are so similar Smith & Wesson Sigma to the competing Glock pistols that Glock sued Smith & Wesson for patent infringement. The case was settled out of court in 1997, with S&W agreeing to make alterations to the Sigma depiction and pay an undisclosed mess to Glock.
|
Smith & Wesson imported the Sigma column of recoil-operated, locked-breech semi-auto pistols in 1994 with the Sigma 40, followed by the Sigma 9 |
|---|
| Sigma pistols bore so much similarity to Glocks that users could reportedly interchange many parts between Glock and Sigma models. |