All proprietary to Ricardo Alonso and authorized to RA Products Co., Inc.  Seeking WPO Partnerships.

Issue Date

Ser. No.

Type

Title and Description

01-Sep-98

US 2,186,629

Trademark

Door Butler®

03-Nov-98

US 5,829,098

Utility Patent

Reinforcement Basal Plate For Reciprocating Operative Device

14-Jul-98

US D395,995

Design Patent

Checking Mechanism For Reciprocating Devices Including Door Closer Systems

21-Sep-99 

US 5,953,789

CIP Patent

Checking Mechanism For Reciprocative Devices

07-Mar-00 

US 6,032,331

Divisional Patent

Checking Mechanisms With Variable Plane Trigger Plates

23-May-00

US D425,399

Design Patent

Checking Mechanism With A Curvature Trigger Appendage For Door Closers

30-May-00

US D425,776

Design Patent

Checking Mechanism For Reciprocative Devices Including Door Closers

04-Jun-02

US 6,397,431

Utility Patent

Spring Assembly Causing Towards Any Opened Position With Reciprocative Door Closer Devices

 04-Nov-03

US 6,640,387

Utility Patent

Damper Assembly That Opts To Open Doors For Usage With Reciprocating Door Closer Devices

09-Mar-04

 10/797396 Utility Pat Pend

Magnetism To Control Compressive Friction Checks For Rods Including  Door Closers

 

 

Not Pat Pend

Linking Compressive Friction Checks For Bi-Directional Control By Tinsel Rod Strength

 

 

Not Pat Pend

Checking Mechanisms With Non-Variable Trigger

US Pats & Pats Pend.: US.D395,995; US.D425,776; US.D425,399; US.5,829,098; US.5,953,789; US.6,032,331; US.6,397,431; US.6,640,387 .  Door Butler®,  The Red Thing™,  The Jimmy Clip™,  Charlie™,  Door Genie™, MagChek™, Premier™, Ultra™, Century™,  Touch-O-Feather™, The Bead Goes On™, and the reddish colored hold-open tab are trademarks of R.A. Products Co. Inc.  Copyright © 1996-2004 RAPCO™ & Ricardo Alonso.