Randall J. Wright — 21 Patents at Empire Level Mfg.

Randall J. Wright has been granted 21 US patents while listed as an inventor at Empire Level Mfg.. The first was granted in 1983 and the most recent in May 2007. Randall J. Wright ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Randall J. Wright in Milwaukee, WI, US.

Patents per Year

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date
7219808	Display rack for levels	Robert J. Kram	2007-05-22
6351875	Apparatus for securing a level and a structural component to one another	Joseph B. Coel	2002-03-05
6249983	Levelling apparatus for a laser level	Joseph B. Coel	2001-06-26
6151787	Levelling apparatus for a builder's laser level	Joseph B. Coel	2000-11-28
5940978	Builder's level with hand-grip feature	Joseph B. Coel	1999-08-24
5901445	Method for making a builder's tool	Richard S. Woods	1999-05-11
5875576	Method and display card for labeling a tool	Robert J. Kram	1999-03-02
5339530	Hand level instrument with composite metal and plastic body	—	1994-08-23
5279041	Level straight-edge apparatus and method of construction	—	1994-01-18
D343363	Hand level	—	1994-01-18
5003699	Level vial with extender pitch range	—	1991-04-02
D314522	Level	—	1991-02-12
D314350	Level	—	1991-02-05
4979310	Composite level including an indexing system for aligning the frame with the cover plates	—	1990-12-25
D285780	Level rule	Donald E. Wright	1986-09-23
4599806	Carpenter's square and protractor	—	1986-07-15
4571845	Polycast level instruments with means for retaining level vials therein	Donald E. Wright	1986-02-25
4559714	Pitch measuring apparatus	—	1985-12-24
D280185	Level	—	1985-08-20
4463501	Level construction and methods of constructing a level	Gary T. Macklin	1984-08-07
4419833	Composite level construction	—	1983-12-13

Randall J. Wright — 21 Patents

Patents per Year

Issued Patents All Time

Patent Widget