Inventor · disambiguated record
Perry L. Virkler
Also filed as: VIRKLER PERRY L
7 granted patents·164 citations·filing 1994–1998
88Inventor score
Files withTRUTH HARDWARE CORP7
Top patents by PatentIndex Score
7 records- 0185USD365513SOuter surface of an operator housingTRUTH HARDWARE CORP·Filed 1994·Granted Dec 26, 1995·29 cites·1 claims
- 0278USD408729SOuter surface of a window operator housingTRUTH HARDWARE CORP·Filed 1998·Granted Apr 27, 1999·22 cites·1 claims
- 0377USD390454SOuter surface of an operator housingTRUTH HARDWARE CORP·Filed 1996·Granted Feb 10, 1998·22 cites·1 claims
- 0477USD379917SOperator handleTRUTH HARDWARE CORP·Filed 1995·Granted Jun 17, 1997·22 cites·1 claims
- 0576USD408274SOuter surface of an operator housingTRUTH HARDWARE CORP·Filed 1997·Granted Apr 20, 1999·21 cites·1 claims
- 0667US6128858AWindow operator with locking worm drive systemTRUTH HARDWARE CORP·Filed 1998·Granted Oct 10, 2000·35 cites·24 claims
- 0733US5452543AWindow operator track with integral limit stopTRUTH HARDWARE CORP·Filed 1994·Granted Sep 26, 1995·13 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →