Sippola; Duane F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sippola; Duane F..The latest application filed is for "embedment plate for pedestrian walkways with reinforced projections".

Company Profile

0.12.14

Sippola; Duane F. - Madison WI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Embedment Plate For Pedestrian Walkways With Reinforced Projections App 20170007493 - Sippola; Duane F.	2017-01-12
Embedment plate for pedestrian walkways with reinforced projections Grant 9,398,996 - Sippola July 26, 2	2016-07-26
Embedment Plate for Pedestrian Walkways with Reinforced Projections App 20150313787 - Sippola; Duane F.	2015-11-05
Tactile embedment plate assembly with an alignment bracket Grant 9,051,697 - Sippola June 9, 2	2015-06-09
Embedment plate for pedestrian walkways with reinforced projections Grant 9,027,290 - Sippola May 12, 2	2015-05-12
Tactile Embedment Plate Assembly With An Alignment Bracket App 20140352238 - Sippola; Duane F.	2014-12-04
Embedment Plate for Pedestrian Walkways with Reinforced Projections App 20140099164 - Sippola; Duane F.	2014-04-10
Tactile embedment plate assembly with an alignment bracket Grant 8,662,788 - Sippola March 4, 2	2014-03-04
Tactile Embedment Plate Assembly With An Alignment Bracket App 20130279978 - Sippola; Duane F.	2013-10-24
Embedment plate for pedestrian walkways with reinforced projections Grant 8,544,222 - Sippola October 1, 2	2013-10-01
Embedment tile with replaceable top plate Grant 8,528,278 - Sippola September 10, 2	2013-09-10
Embedment Tile With Replaceable Top Plate App 20130042550 - Sippola; Duane F.	2013-02-21
Embedment tile with replaceable top plate Grant 8,261,497 - Sippola September 11, 2	2012-09-11
Embedment Plate For Pedestrian Walkways With Reinforced Projections App 20120207543 - Sippola; Duane F.	2012-08-16
Tactile tile with improved reinforced embedment plate Grant 8,146,302 - Sippola April 3, 2	2012-04-03
Embedment tile with replaceable top plate App 20100129150 - Sippola; Duane F.	2010-05-27
Tactile tile with improved reinforced embedment plate App 20080236064 - Sippola; Duane F.	2008-10-02
Efficiently installable and durable embedment tile for producing tactilely-detectable surfaces App 20060174567 - Sippola; Duane F.	2006-08-10

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