This inventor holds 1 USPTO granted patent. Top assignee: Milwaukee Electric Tool Corporation. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Alexander N. Sonsalla and His Carpenter Pencil Tool
Introduction
Alexander N. Sonsalla is an inventor associated with Platteville, Wisconsin, and Milwaukee Electric Tool Corporation. His patent work includes a marking tool designed to make a carpenter pencil easier to position and use.
Latest Patents
Sonsalla is credited with 1 patent, titled “Marking Tool.” The invention describes a hand tool that holds a carpenter pencil and includes an adjustment mechanism for changing the pencil’s position relative to the holder. The mechanism is designed to let a user adjust the pencil with one hand or a thumb, improving access and control.
The holder can also include a recess on its outer surface to engage and retain the pencil. With the pencil held in the recess, a pointed object can be extended through the holder at a selected location to create a compass-like marking tool.
Career Highlights
Sonsalla’s listed patent reflects a practical focus on improving the usability and versatility of a familiar carpentry tool. The adjustable holder is intended to help users reach and position the pencil more conveniently, while the compass feature supports additional marking tasks.
Collaborations
Sonsalla is associated with Milwaukee Electric Tool Corporation. Andrew M. Tuchscherer is identified as a coworker.
Conclusion
Alexander N. Sonsalla’s “Marking Tool” patent combines an adjustable carpenter pencil holder with a compass-style marking capability, illustrating an effort to make everyday carpentry work more adaptable.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile