John Underbrink — 17 Patents at Spang

John Underbrink has been granted 17 US patents while listed as an inventor at Spang. The first was granted in 1992 and the most recent in November 2011. John Underbrink ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list John Underbrink in Olympia, WA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #	Title	Co-Inventors	Date
8062142	Collaborative play toy	Brian D. Lovgren, Paul J. Danforth	2011-11-22
7222557	Ratcheting tool driver	Peng Li, Zhihong Fu, Kean-Tuan Tan	2007-05-29
7159252	Folding sink	Peter C. Hill	2007-01-09
7118514	Playground equipment	Joshua Rothacker, Brian D. Lovgren	2006-10-10
D504000	Portable sink with foldable faucet	Peter C. Hill	2005-04-12
D489155	Outdoor station with sink and foldable faucet	—	2004-04-27
6611972	Sink with foldable faucet assembly and multiple-purpose support structure	Peter C. Hill	2003-09-02
D474900	Convertible table and easel	—	2003-05-27
D461880	Wall-mounted sink with foldable faucet	—	2002-08-20
D461941	Serving cart with sink and foldable faucet	Peter C. Hill	2002-08-20
D426586	Toy beauty center	—	2000-06-13
6044766	Playground carriage	Russell L. Keeler	2000-04-04
D407569	Support stool	David A. Bradshaw	1999-04-06
5816167	Playground carriage	Paul J. Danforth, Daniel T. York, Russell L. Keeler	1998-10-06
5468199	Sliding-handgrip amusement apparatus	Russell L. Keeler	1995-11-21
5443012	Playground carriage	Russell L. Keeler	1995-08-22
5156507	Expansible fastening device	—	1992-10-20

John Underbrink — 17 Patents

Issued Patents All Time

Patent Widget