Joseph Koenig (April 21, 1858 – November 15, 1929) was a German-American lawyer, educator, businessman, manufacturer, and prolific inventor who lived most of his life in Manitowoc, Wisconsin.

[1] His father died in his native country and subsequently his mother came to the United States with her children in 1872, settling in Two Rivers, Wisconsin.

In 1880 he moved to Milwaukee, Wisconsin and attended the Normal College of the American Gymnastic Union, for a one-year course of study, graduating in 1881.

Mr. Koenig was married to Miss Emma Susanna Kraft in Louisville, Kentucky, November, 1884.

[6] In 1884, he formed a partnership in Wichita, Kansas named Adams and Koenig, for cutting and dressing stone and selling bricks and plaster.

Koenig held numerous patents on aluminum products, including the U.S. army canteen used during World War I.

He retired from active business life shortly before his death, and lived in Two Rivers, Wisconsin.

Koenig was a lifelong physical fitness enthusiast and advocate, as evidenced by his choice of schools and his association with gymnasiums and a natatorium.

[18][19] Joseph Koenig was an avid outdoorsman and the society columns in the local newspapers often carried reports of his hunting trips.