Inventor · disambiguated record

John Piechowiak

Also filed as: PIECHOWIAK JOHN

2 granted patents·93 citations·filing 2001–2003

65Inventor score

Technology areasE05Y

Files withCHAMBERLAIN GROUP INC1 TELEPHONICS CORP1

Top patents by PatentIndex Score

2 records

0190US6624605B1Method, system and apparatus for opening doorsTELEPHONICS CORP·Filed 2001·Granted Sep 23, 2003·84 cites·25 claims
0251US7151351B2Method, system and apparatus for opening doorsCHAMBERLAIN GROUP INC·Filed 2003·Granted Dec 19, 2006·9 cites·7 claims

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